Answer:
1. Fist
2. 30 drums
3. the nerves that connect the brain to the foot are getting squished
4. red blood cells and white blood cells
5. part of bodies immune system diseases.
6. 173 to 259
7. 1 to 3 days
8. 120 days
9. through the thin walls of capillaries oxyegn and nutrients pass from blood into blood
10. 112 to 74
11. 45 seconds then 1 minute
12. away from heart to body tissues
13. poor blood back to heart
14. brings oxygen and nutrients to all parts of body
15. inflate air bladder so the blood stays where it is.
16 bone marrow then 2.5 billion times
17.white and red
18. pulmonic valve and aortic valve etc.
19. surgeon clothes
Step-by-step explanation: