Across
- 2. contracts in when inhaling causes the lungs to expand
- 3. this blood cell clogs your blood
- 4. the bottom two chambers of the heart
- 5. smallest blood vessels carrying nutrients and oxygen to every cell
- 6. Main artery pumps blood to your head
- 9. pumps blood, main organ in the circulatory system
- 11. blood vessels transporting the blood back to the heart
- 13. this type of digestion is done by the stomach when food is disolved
- 14. this type of digestion is done by the mouth (teeth)
- 15. wave like contraction that pushes food down
- 17. pumps blood away from the heart
- 18. this blood cell fights disease
- 19. this system is involved in the removal of wastes from your body
Down
- 1. the organ that absorbs most of the nutrients you've eaten and transfers them to your bloodstream
- 2. this system is involved in breaking down food and absorbing nutrients into the bloodstream
- 7. this system is involved with breathing in oxygen and breathing out carbon dioxide
- 8. the top 2 chambers of the heart
- 10. special tissue of your lungs where gas exchange occurs
- 12. the system involved pumping blood around the body
- 16. this blood cell carries oxygen and energy through your cells