Biology: Most Popular Articles
These articles are the most popular over the last month.
Anatomy of the Brain - Organs of the Body
Information and resources pertaining to the brain.
Information and resources pertaining to the brain.
Organs of the Body - Anatomy of the Heart
Information and resources pertaining to the heart.
Information and resources pertaining to the heart.
Stages of Mitosis
A stage-by-stage guide to the phases of mitosis.
A stage-by-stage guide to the phases of mitosis.
Biology Science Project Ideas
Here are some great ideas for biology related science fair projects related to animals, plants and the human body.
Here are some great ideas for biology related science fair projects related to animals, plants and the human body.
Anatomy of the Brain - Amygdala
Information and resources pertaining to the amygdala
Information and resources pertaining to the amygdala
Alcohol Hangover
Information on how alcohol contributes to hangovers.
Information on how alcohol contributes to hangovers.
Online Dissections
Online dissections allow you to experience actual dissections without all of the mess.
Online dissections allow you to experience actual dissections without all of the mess.
Organ Systems
The human body is made up of several organ systems that work together as one unit.
The human body is made up of several organ systems that work together as one unit.
The Study of Life
What is biology? Simply put, it is the study of life.
What is biology? Simply put, it is the study of life.
Blood Vessels
Information and resources pertaining to blood vessels.
Information and resources pertaining to blood vessels.
Biology Prefixes and Suffixes
Learn about common biology prefixes and suffixes.
Learn about common biology prefixes and suffixes.
Chromosomes and Gender
Chromosomes are long, stringy aggregates of genes that carry heredity information. Gender is determined by the presence or absence of certain chromosomes.
Chromosomes are long, stringy aggregates of genes that carry heredity information. Gender is determined by the presence or absence of certain chromosomes.
Aorta
Information and resources pertaining to the aorta of the heart.
Information and resources pertaining to the aorta of the heart.
Reproduction in Animals: Asexual Reproduction
An introduction to the mechanisms of asexual reproduction in animals.
An introduction to the mechanisms of asexual reproduction in animals.
Allele
Definition of allele.
Definition of allele.
Connective Tissue
Explore the structure and function of animal tissues, including connective tissue.
Explore the structure and function of animal tissues, including connective tissue.
Arteries
Information and resources pertaining to arteries.
Information and resources pertaining to arteries.
Cellular Respiration
Cellular respiration is a process by which cells harvest the energy stored in food.
Cellular respiration is a process by which cells harvest the energy stored in food.
Organs of the Body - Anatomy of the Brain
Information and resources pertaining to the brain
Information and resources pertaining to the brain
Anatomy of the Brain - Thalamus
Information and resources pertaining to the thalamus
Information and resources pertaining to the thalamus
Frog Anatomy
Information on internal and external frog anatomy.
Information on internal and external frog anatomy.
Circulatory System
Information and resources pertaining to the circulatory system.
Information and resources pertaining to the circulatory system.
Anatomy of the Brain - Medulla Oblongata
Information and resources pertaining to the medulla oblongata
Information and resources pertaining to the medulla oblongata
Mendel's Law of Independent Assortment
The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860's. One of these principles is now called Mendel's law of independent assortment.
The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860's. One of these principles is now called Mendel's law of independent assortment.
Capillaries
Information and resources pertaining to capillaries.
Information and resources pertaining to capillaries.
Mendel's Law of Segregation
The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860's. One of these principles is now called Mendel's law of segregation.
The principles that govern heredity were discovered by a monk named Gregor Mendel in the 1860's. One of these principles is now called Mendel's law of segregation.
Mitosis Study Guide
This study guide introduces you to the basics of mitosis and the mitotic process.
This study guide introduces you to the basics of mitosis and the mitotic process.
Predator vs. Prey
The predator-prey relationship is important in maintaining balance among different animal species.
The predator-prey relationship is important in maintaining balance among different animal species.
Reproduction in Animals: Sexual Reproduction
An introduction to the mechanisms of sexual reproduction in animals.
An introduction to the mechanisms of sexual reproduction in animals.
Anatomy of the Brain - Brainstem
Information and resources pertaining to the brainstem
Information and resources pertaining to the brainstem
Journey into the Cell: Mitochondria
Explore the structure and function of eukaryotic mitochondria.
Explore the structure and function of eukaryotic mitochondria.
Mitosis Animation
Animation of the phases of mitosis.
Animation of the phases of mitosis.
Peripheral Nervous System
The nervous system can be divided into two parts, the central nervous system and the peripheral nervous system.
The nervous system can be divided into two parts, the central nervous system and the peripheral nervous system.
Stages of Meiosis
A stage-by-stage guide to the phases of meiosis.
A stage-by-stage guide to the phases of meiosis.
Cardiac Cycle
Information and resources pertaining to the cardiac cycle.
Information and resources pertaining to the cardiac cycle.
Anatomy of the Brain - Hypothalamus
Information and resources pertaining to the hypothalamus
Information and resources pertaining to the hypothalamus
Hand Sanitizers vs. Soap and Water
You've heard the claims of hand sanitizers being able to kill 99.9 percent of germs. Now read the truth.
You've heard the claims of hand sanitizers being able to kill 99.9 percent of germs. Now read the truth.
Journey into the Cell: The Nucleus
Explore the structure and function of the nucleus in eukaryotic cells.
Explore the structure and function of the nucleus in eukaryotic cells.
Anatomy of the Brain - Hippocampus
Information and resources pertaining to the hippocampus
Information and resources pertaining to the hippocampus
Top Biology Programs
The top biology programs from colleges and universities in the United States.
The top biology programs from colleges and universities in the United States.
Anatomy of the Brain - Cerebellum
Information and resources pertaining to the cerebellum
Information and resources pertaining to the cerebellum
DNA Models
Constructing DNA models is a great way to learn about DNA structure, function, and replication.
Constructing DNA models is a great way to learn about DNA structure, function, and replication.
10 Steps of Glycolysis
In glycolysis, glucose is split into two molecules of a three-carbon sugar.
In glycolysis, glucose is split into two molecules of a three-carbon sugar.
Biology Games and Quizzes
Try these biology games and quizzes and find out how much you really know about biology.
Try these biology games and quizzes and find out how much you really know about biology.
Anatomical Directional Terms - Caudal
Directional terms for anatomy
Directional terms for anatomy
Muscle Tissue
Explore the structure and function of cardiac, smooth, and skeletal muscle tissue.
Explore the structure and function of cardiac, smooth, and skeletal muscle tissue.
Baby Animal Name Game
Do you know what a baby zebra is called? Play the Baby Animal Name Game and find out.
Do you know what a baby zebra is called? Play the Baby Animal Name Game and find out.
Anatomy of the Brain - Cerebrum
Information and resources pertaining to the cerebrum
Information and resources pertaining to the cerebrum
Anatomy of the Stomach
Information on the anatomy of the stomach and the types of cells that cover the stomach.
Information on the anatomy of the stomach and the types of cells that cover the stomach.
Epithelial Tissue
Explore the structure and function of animal tissues, including epithelial tissue.
Explore the structure and function of animal tissues, including epithelial tissue.
Pulmonary Veins
Information and resources pertaining to the pulmonary veins of the heart.
Information and resources pertaining to the pulmonary veins of the heart.
Protein Function
Proteins are very important molecules in our cells. Each protein within the body has a specific function.
Proteins are very important molecules in our cells. Each protein within the body has a specific function.
Anatomy of the Brain - Pons
Information and resources pertaining to the pons
Information and resources pertaining to the pons
Veins
Information and resources pertaining to veins.
Information and resources pertaining to veins.
Plant Cells and Tissues
A look at the structure and function of plant cells and tissues.
A look at the structure and function of plant cells and tissues.
Directional Terms/Body Planes
Anatomical directional terms and body planes describe the locations of structures in relation to other structures or locations in the body.
Anatomical directional terms and body planes describe the locations of structures in relation to other structures or locations in the body.
Journey into the Cell
Learn about the structure of the fundamental unit of life -- the cell.
Learn about the structure of the fundamental unit of life -- the cell.
Viruses
An introduction to the structure of viruses.
An introduction to the structure of viruses.
Anatomy of the Brain - Cerebral Cortex
Information and resources pertaining to the cerebral cortex
Information and resources pertaining to the cerebral cortex
Phases of the Cardiac Cycle
The cardiac cycle is the cycle of events that occurs as the heart contracts.
The cardiac cycle is the cycle of events that occurs as the heart contracts.
Digestive System
Information and resources pertaining to the human digestive system.
Information and resources pertaining to the human digestive system.
Anatomy of the Brain - Divisions of the Brain - Mesencephalon
Information and resources pertaining to the mesencephalon
Information and resources pertaining to the mesencephalon
Heart Valves
Information and resources pertaining to the human heart valves.
Information and resources pertaining to the human heart valves.
Cerebral Cortex
The cerebral cortex is the layer of the brain often referred to as gray matter. It is the outer portion of the cerebrum.
The cerebral cortex is the layer of the brain often referred to as gray matter. It is the outer portion of the cerebrum.
Six Kingdoms of Life
Living organisms are classified into one of six Kingdoms of life.
Living organisms are classified into one of six Kingdoms of life.
Anatomy of the Brain - Temporal Lobes
Information and resources pertaining to the temporal lobes
Information and resources pertaining to the temporal lobes
Homozygous - A Genetics Definition
Definition of homozygous.
Definition of homozygous.
Flowering Plants
Learn about the characteristics and parts of a flowering plant.
Learn about the characteristics and parts of a flowering plant.
Plant Tissue Systems
A look at the structure and function of plant cells and tissues.
A look at the structure and function of plant cells and tissues.
The Effects of Carbon Monoxide
Information and resources pertaining to carbon monoxide poisoning.
Information and resources pertaining to carbon monoxide poisoning.
Journey into the Cell: Ribosomes
Explore the structure and function of eukaryotic ribosomes.
Explore the structure and function of eukaryotic ribosomes.
Did You Know? - The Human Body
Discover interesting facts about the human body.
Discover interesting facts about the human body.
Anatomy of the Brain - Basal ganglia
Information and resources pertaining to the basal ganglia
Information and resources pertaining to the basal ganglia
Meiosis Animation I
Animation of the phases of meiosis I.
Animation of the phases of meiosis I.
Meiosis
An introduction to the process of meiosis.
An introduction to the process of meiosis.
Brain Basics
The brain is one of the largest and most important organs of the human body. Weighing in at about three pounds, this organ has a wide range of responsibilities.
The brain is one of the largest and most important organs of the human body. Weighing in at about three pounds, this organ has a wide range of responsibilities.
Anatomical Directional Terms
Directional terms for anatomy
Directional terms for anatomy
Digestive System - Salivary Glands and Saliva
Information on salivary glands, mucus, saliva and their function in digestion.
Information on salivary glands, mucus, saliva and their function in digestion.
Baby Animal Name Game II
Play the Baby Animal Name Game and discover the names of various baby animals.
Play the Baby Animal Name Game and discover the names of various baby animals.
Pericardium
Information and resources pertaining to the pericardium of the human heart.
Information and resources pertaining to the pericardium of the human heart.
Reproduction
Discover the many ways that animals can reproduce through asexual reproduction.
Discover the many ways that animals can reproduce through asexual reproduction.
Human Brain Quiz
Take the Human Brain Quiz and discover how much you know about the brain.
Take the Human Brain Quiz and discover how much you know about the brain.
Biology Questions
Get answers to frequently asked biology related questions.
Get answers to frequently asked biology related questions.
Biology Homework Help
Need help with your biology homework? Find resources and information to help you answer some of your biology homework questions.
Need help with your biology homework? Find resources and information to help you answer some of your biology homework questions.
Heterozygous
Definition of the word heterozygous.
Definition of the word heterozygous.
Bio-Experiments
View exciting examples of biology experiments that can be used by parents and teachers at home or at school.
View exciting examples of biology experiments that can be used by parents and teachers at home or at school.
Anatomy of the Brain - Central Sulcus (Fissure of Rolando)
Information and resources pertaining to the central sulcus
Information and resources pertaining to the central sulcus
Anatomy of the Brain - Parietal Lobes
Information and resources pertaining to the parietal lobes
Information and resources pertaining to the parietal lobes
Pulmonary Artery
Information and resources pertaining to the pulmonary artery of the heart.
Information and resources pertaining to the pulmonary artery of the heart.
The Heart
Information and resources pertaining to the human heart.
Information and resources pertaining to the human heart.
Limbic System
The limbic system is responsible for controlling various functions in the body. Structures of this system include the hippocampus, hypothalamus, and thalamus.
The limbic system is responsible for controlling various functions in the body. Structures of this system include the hippocampus, hypothalamus, and thalamus.
Unusual Plants
Discover some interesting and unusual plants.
Discover some interesting and unusual plants.
Heterozygous - A Genetics Definition
Definition of heterozygous.
Definition of heterozygous.
Anatomy of the Brain - Limbic System
Information and resources pertaining to the limbic system
Information and resources pertaining to the limbic system
Anatomy of the Brain - Cranial Nerves
Information and resources pertaining to cranial nerves
Information and resources pertaining to cranial nerves
10 Great Biology Activities an
Biology activities and lessons allow students to investigate and learn about biology through hands on experience.
Biology activities and lessons allow students to investigate and learn about biology through hands on experience.
Photosynthesis
Photosynthesis is a process in which light energy is used to produce sugar and other organic compounds.
Photosynthesis is a process in which light energy is used to produce sugar and other organic compounds.
Lipids
Lipids are very diverse in both their respective structures and functions. Examples of lipids include fats, phospholipids and steroids.
Lipids are very diverse in both their respective structures and functions. Examples of lipids include fats, phospholipids and steroids.
Biology Study Tips
Need help studying for biology? I've got some great biology study tips for you.
Need help studying for biology? I've got some great biology study tips for you.
Virus Replication
How do viruses reproduce?
How do viruses reproduce?
Frog Dissection Quiz
Think you know all there is to know about frog dissections? Take this virtual frog dissection quiz.
Think you know all there is to know about frog dissections? Take this virtual frog dissection quiz.
Fascinating Animal Facts
Discover wondrous and fascinating facts about animals.
Discover wondrous and fascinating facts about animals.
How To Make a Working Model of the Lungs
an easy way to make a working model of the lungs
an easy way to make a working model of the lungs
Centrioles
Information and resources pertaining to centrioles and cell division.
Information and resources pertaining to centrioles and cell division.
Journey into the Cell: The Endoplasmic Reticulum
Explore the structure and function of the eukaryotic endoplasmic reticulum.
Explore the structure and function of the eukaryotic endoplasmic reticulum.
Bacteria and Food Poisoning
Bacterial foodborne diseases strike millions of people each year. Here is a list of a few bacteria that cause food poisoning and foodborne illness.
Bacterial foodborne diseases strike millions of people each year. Here is a list of a few bacteria that cause food poisoning and foodborne illness.
Nervous Tissue
A look at the structure and function of nervous tissue.
A look at the structure and function of nervous tissue.
Anatomy of the Brain - Frontal Lobes
Information and resources pertaining to the frontal lobes
Information and resources pertaining to the frontal lobes
Endangered Species
Endangered species are animals and plants that are on the verge of vanishing from the earth.
Endangered species are animals and plants that are on the verge of vanishing from the earth.
Anatomy of the Brain - Broca's Area
Information and resources pertaining to Broca's area
Information and resources pertaining to Broca's area
Anatomy of the Brain - Pituitary Gland
Information and resources pertaining to the pituitary gland
Information and resources pertaining to the pituitary gland
Diffusion, Passive Transport and Osmosis
Diffusion is the tendency of molecules to spread into an available space. Without other outside forces at work, substances will move/diffuse from a more concentrated environment to a less concentrated environment.
Diffusion is the tendency of molecules to spread into an available space. Without other outside forces at work, substances will move/diffuse from a more concentrated environment to a less concentrated environment.
Anatomy of the Brain - Cerebral Cortex Lobes
Information and resources pertaining to the cerebral cortex lobes
Information and resources pertaining to the cerebral cortex lobes
Anatomy of the Brain - Divisions of the Brain - Diencephalon
Information and resources pertaining to the diencephalon
Information and resources pertaining to the diencephalon
Cardiovascular Quiz
Take the Cardiovascular System Quiz!
Take the Cardiovascular System Quiz!
Architecture of the Liver
Information on the anatomy of the liver and biliary tract.
Information on the anatomy of the liver and biliary tract.
Vena Cavae
Information and resources pertaining to the vena cavae of the heart.
Information and resources pertaining to the vena cavae of the heart.
Myocardium
Information and resources pertaining to the myocardium of the heart.
Information and resources pertaining to the myocardium of the heart.
Sex Chromosome Abnormalities
Sex chromosome abnormalities occur as a result of chromosome mutations brought on by mutagens or problems that occur during meiosis.
Sex chromosome abnormalities occur as a result of chromosome mutations brought on by mutagens or problems that occur during meiosis.
Taxonomy
Taxonomy is a hierarchical system for classifying and identifying organisms.
Taxonomy is a hierarchical system for classifying and identifying organisms.
Genetics Basics
Genetics is the study of heredity or inheritance. These resources will assist in the understanding of basic genetics.
Genetics is the study of heredity or inheritance. These resources will assist in the understanding of basic genetics.
Cloning Techniques
Techniques used in cloning.
Techniques used in cloning.
Predator or Prey Game
In this game you must choose the correct predator or prey for each question.
In this game you must choose the correct predator or prey for each question.
Mendel's Law of Segregation - A Genetics Definition
Definition of Mendel's law of segregation.
Definition of Mendel's law of segregation.
Bio-Trivia
Here are a few biology related questions for all of you trivia buffs out there.
Here are a few biology related questions for all of you trivia buffs out there.
DNA Transcription
DNA transcription is a process that involves the transcribing of genetic information from DNA to RNA.
DNA transcription is a process that involves the transcribing of genetic information from DNA to RNA.
Reproduction II
Learn about fertilization and sexual reproduction.
Learn about fertilization and sexual reproduction.
Anatomy of the Brain - Ventricular System
Information and resources pertaining to the ventricular system
Information and resources pertaining to the ventricular system
Anatomy of the Brain - Lateral Ventricles
Information and resources pertaining to the lateral ventricles.
Information and resources pertaining to the lateral ventricles.
Ventricles
Information and resources pertaining to the ventricles of the heart.
Information and resources pertaining to the ventricles of the heart.
Frog Dissections: Male Frog Internal Anatomy
Information on male frog internal anatomy.
Information on male frog internal anatomy.
Homozygous
Definition of the word homozygous.
Definition of the word homozygous.
Mitosis Glossary
This mitosis glossary is a good resource for finding succinct, practical, and meaningful biology definitions for common mitosis terms.
This mitosis glossary is a good resource for finding succinct, practical, and meaningful biology definitions for common mitosis terms.
Anatomical Directional Terms - Rostral
Directional terms for anatomy
Directional terms for anatomy
Anatomical Directional Terms - Anterior
Directional terms for anatomy
Directional terms for anatomy
Anatomy of the Brain - Occipital Lobes
Information and resources pertaining to the occipital lobes
Information and resources pertaining to the occipital lobes
How To Make a DNA Model Using Candy
a simple way to construct a dna model using candy
a simple way to construct a dna model using candy
Anatomy of the Brain - Divisions of the Brain - Prosencephalon
Information and resources pertaining to the prosencephalon
Information and resources pertaining to the prosencephalon
Centrioles - A Cell Biology Definition
Definition of centrioles.
Definition of centrioles.
Anatomy of the Brain - Cingulate Gyrus
Information and resources pertaining to the cingulate gyrus
Information and resources pertaining to the cingulate gyrus
Bacteriophages
Animations of the lytic life cycle of a bacteriophage.
Animations of the lytic life cycle of a bacteriophage.
Did You Know? - Animals
Discover interesting animal facts
Discover interesting animal facts
Epicardium
Information and resources pertaining to the epicardium of the heart.
Information and resources pertaining to the epicardium of the heart.