A new page covers endangered species which focuses on endangerment and extinction. Other pages cover earth science topics, archaeology, the environment, body systems, weather, history and flight. This site provides you with a range of information about your body systems. An excellent resource to use in the classroom to learn about entomology and bodily functions. A number of animated pages show how muscles work.
Muscles move cows, snakes, worms and humans.
Without muscles you couldn't open your mouth, speak, shake hands, walk, talk, or move your food through your digestive system. There would be no smiling, blinking, breathing. You couldn't move anything inside or outside you. It reveals internal and external organs, provides visual aids, with video option, includes links to related sites and a comments page. This site users a video to demonstrate dissecting of a fetal pig and frog.