Across
- 4. nervous system, The specific part of the nervous system that contains the brain and spinal cord
- 6. The maintenance of stable internal conditions in organisms
- 8. The breaking down of food into nutrition molecules by the body
- 10. system, The heart, blood vessels, and blood system can also be referred to as the circulatory system
- 11. similar cells that as a group perform the same function
- 12. The outer layer of skin
Down
- 1. system, Group of organs that work together to perform a specific function
- 2. How the nutrient rich molecules pass through the digestive system and into the blood
- 3. The bones of the body
- 5. The breaking down of of simple food molecules and releasing that energy
- 7. A body structure that is composed of different kinds of tissues that work together
- 9. Waste removal system of the body