Muscles of the Body (Part 2) - Muscles hold your head up, that is a VERY important job. There are about 640 skeletal muscles in the human body. Some of your muscles act on their own, like your heart. While others, you control. Thousands of rubber band like fibers make them up. http://www.innerbody.com/image/musfov.html
- http://www.laboratorium.dist.unige.it/~piero/Teaching/
The Skin - Your skin is the largest organ in your whole entire body! It is important because it holds all of your blood and guts in. Your skin also allows you to have a sense of touch. Also, it keeps your body at just the right temperature.
- http://training.seer.cancer.gov/images/melanoma/skin.jpg
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