Across
- 2. how you can feel your heart rate
- 4. makes up most of your blood
- 6. Likes to chase mice
- 7. muscle in joints
- 10. what makes your bones move
- 11. Flying mammal
- 15. connects muscle to bone
- 16. Large marsupial
- 18. takes un-oxygenated blood back to the heart
- 19. zone, 60-75% of your max heart rate
Down
- 1. muscle that helps your lungs breathe
- 3. heart rate, the amount your heart beats while inactive
- 5. heart rate, 220 - your age
- 7. how you breathe
- 8. Has a trunk
- 9. the organ made of muscle that pumps blood
- 12. the main entrance of air to your lungs
- 13. part of the heart
- 14. Man's best friend
- 17. takes oxygenated blood to your body