Fitness Unit Review

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Across
  1. 2. The striped appearance of muscles due to actin and myosin
  2. 3. The type of muscle found in the heart
  3. 4. This increases during exercise due to the need for increased gas exchange
  4. 5. This substance builds up in muscles during anaerobic respiration
  5. 8. The body making ATP without the use of oxygen
  6. 12. The protein in muscle with “arms” that pull to contract the muscle
  7. 14. A needed product for cellular respiration- we inhale this
  8. 15. The process cells undergo in order to turn glucose into ATP
Down
  1. 1. The body making ATP with the use of oxygen
  2. 6. The type of muscle found in the digestive system
  3. 7. A waste product of cellular respiration- we exhale this
  4. 9. The protein in muscle that gets pulled on during contraction
  5. 10. Energy that is usable by cells
  6. 11. The ions responsible for the burn in your muscles during exercise
  7. 13. The type of muscle that your body uses to make movements