Across
- 3. activity that is a long time but at low intensity
- 7. has two main types external and in internal and exchanges gases within the body(2 words)
- 8. principle organ of the respiratory system
- 10. this causes "good" tears within your muscles
- 12. tendons and ligaments are classified as this type of tissue
- 15. you would be blob without it(2 words)
Down
- 1. have involuntary and voluntary movements(2 words)
- 2. speed of which the heartbeat is measured by(2 words)
- 4. you can become deprived without enough of this
- 5. main job is to circulate blood through the body(2 words)
- 6. this has 4 chambers
- 9. more likely to have cramps without this
- 11. activity the is a short time but at high intensity
- 13. this has 6 zones one of which is called the "fitness zone"(2 words)
- 14. the heart is one of these