An animation of the cell cycle from interphase through mitosis.

Discusses the discovery of centrosomes, their important role in mitosis in animal cells, and their other functions.

Learn about the animal kingdom including an in-depth look at body characteristics, reproduction, types of cells, ways they obtain food, and evolutionary relationships. Many illustrations and nine interactive activities are included.

Have you ever wondered how important gases enter and leave cells? Take an up close tour of a pore in a cell membrane. Then explore diffusion, osmosis, and active transport through this collection of interactive models.

A collection of visualization-oriented tutorials for creating 3D animations for use in your biology classroom. Search by difficulty level, software package, or 3D topic area.

This lesson focuses on the structures of carbohydrates, proteins, and lipids including defining terms, a brief discussion of what they do, and diagrams of each. It also provides a link to a test.

The herpes viruses infect many species of vertebrates. This series of animations illustrates the precise mechanism for entering a cell and copying itself. For advanced students.

Poses and answers the question, "What is (and is not) mitosis?" An overview with images of the phases of mitosis, plus a mitosis animation.

Explains the differences between eukaryotic and prokaryotic cells and presents a diverse set of facts about animal cells.

Describes the steps in how to make a model of an animal cell using simple materials.

Labeled illustration of a plant and an animal cell and their parts.

Explains how plant and animal cells are different and describes the organelles in a plant cell.

[Free Registration/Login may be required to access all resource tools.] Animal-like protists are called protozoa. Protozoa are single-celled eukaryotes that share some traits with animals. Like animals, they can move, and they are...

Describes the composition and functions of cell walls in plants, algae, fungi, and bacteria.

This site from Innerbody.com has an amazing animation of how a capillary works; there is even a detailed description to help understand the process.

[Free Registration/Login Required] This flipchart introduces students to the plant and animal cell.

This site provides a brief explanation of what a eukaryotic cell is along with detailed picture of a plant and animal cell.

Animated demonstration of how a galvanic cell works. Demo defines oxidation and reduction and shows how the electric circuit must be completed with a salt bridge to allow the electrons to flow from the anode to the cathode.

[Free Registration/Login Required] This is a flipchart that goes through the stages of cell mitosis. The students will have the opportunity to view websites on cell mitosis. Students can also match the stages of mitosis with their...

Take this ten-question review quiz over animal systems. Read more about each question after an incorrect answer is given.

A "just for fun" Shockwave game that allows you to control an animated macrophage against an invading virus. You must figure out how the let the Helper T-cells get involved.

This interactive site provides animations and activities in several areas of physiology. The images are simple, but clear. The accompanying text provides a good description of the process being shown.

This lesson includes a Power Point presentation that will guide the students through an investigation of mitosis, or cellular division. The lesson will review the basic functions and parts of animal and plant cells and then introduce the...

A brief animation and a more detailed navigation of a cell and it's structure can be found here. Each part is labeled and some are animated.