Across
- 2. is deoxygenated blood really blue?
- 5. what does our food become when the nutrients is taken out?
- 6. what cools us down when we exercise?
- 7. what do our muscles do when they move
- 10. what do we breathe out
- 12. what produces blood cells
- 15. ureters, urethra, bladder and kidneys are a part of?
- 16. what does our body take out of food
- 17. 95% is water in uring what is the 5%?
Down
- 1. . artery in the body
- 3. carries oxygen and food to cells
- 4. what side of the heart is bigger
- 6. what organ interfaces with the circulatory system and the digestive system
- 8. how many different type of muscle do we have?
- 9. what hold our bones together?
- 11. what hold urine
- 13. what do we breathe in
- 14. what side of the heart carries deoxygenated blood