Across
- 3. What is the I in HIIT
- 6. break in the bone
- 7. bleeding under the skin due to trauma
- 9. body is pushed over its normal temperature
- 11. unexpected loss of heart function
- 12. freezing of the skin
Down
- 1. organ that pumps blood
- 2. withstand hardship
- 4. heart beats per min
- 5. improvement or progressive work
- 8. Working harder and more often
- 10. certain exercises for certain improvement