Human Body

3. tissues that contract to produce movement
5. the column of bones that supports the body and protects the spinal cord
6. the organ that controls thoughts, memory, and bodily functions
8. the organs responsible for breathing and gas exchange
11. the network of nerves that transmits signals between the brain and the body
13. an organ that processes toxins and produces bile
15. the organ where food is digested

1. blood vessels that carry blood back to the heart
2. organs that filter waste from the blood and produce urine
4. an organ that pumps blood throughout the body
7. the tubes where nutrients are absorbed from food
9. blood vessels that carry oxygenated blood from the heart
10. the red liquid that circulates in the body carrying oxygen and nutrients
12. the outer layer of the body that protects and regulates temperature
14. the rigid structures that make up the skeleton