Body system
Across
- 3. of the body are the bones
- 5. learning, and memory messages travel from one neuron to another over and over, creating connections, or pathways, in the brain
- 7. miles is how far the circulatory system can stretch
- 10. and sponges the names imply that the two types differ in density or how tightly the tissue is packed together
- 12. is the exchange of oxygen and carbon dioxide
- 13. that go through the whole body make up the peripheral nervous system
- 14. is the hardest working muscle
- 16. and the spinal cord are the central nervous system
- 17. system is an organ system
- 18. system brings oxygen into our bodies
- 19. system Delivers nutrients and oxygen to all cells of the body
- 20. nervous system controls many of the body processes you almost never need to think about, breathing, digestion, sweating, and shivering
Down
- 1. where a muscle is able to return to its resting shape and length
- 2. the weakest bone in the body
- 4. where a muscle can be stretched without damage by the application of a force
- 6. are apart of the respiratory system
- 8. is how many bones an adult human has
- 9. The brain has billions of them, and they have many specialized job
- 11. carry blood away from the heart
- 15. system is also known as the cardiovascular system