Across
- 5. Colorless and odorless gas that is essential to life.
- 7. Exercise that increases the heart and breathing rate for an extended time.
- 8. Providing or obtaining the food necessary for health or growth.
- 9. Bundle of fibrous tissue that produce movement.
- 12. Body's ability to sustain physical activity for an extended period of time.
Down
- 1. Instrument used to measure the amount of oxygen in the blood.
- 2. The act of improving or restoring someone's health via exercise.
- 3. Physical activity carried out to improve health and fitness.
- 4. A body of knowledge acquired through learning.
- 6. Medical word for "relating to the lungs".
- 10. Organ that supplies the body with oxygen and removes. carbon dioxide
- 11. The process of taking in and expelling air from the lungs.