| A | B |
|---|
| skull | the head bone |
| tibia | upper leg bone |
| patella | knee cap bone |
| ligament | connects muscles to bone |
| skin's real system name | integumentary system |
| melanin | the pigment in your skin that gives people a "tan" |
| upside down | the way your eye sees things |
| Brain | the director in the nervous system |
| Oxygen | animal life needs this gas to make the cells work |
| lungs | the organ that absorb oxygen |
| nose | filters and moistens air that we breat in |
| small intestine | 23 feet long!! |
| stomach | adds acid to your food |
| esophagus | moves food from the mouth to the stomach |
