PE 11/12 A - 2.1 - Understanding the Heartr

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Across
  1. 3. A high level of exercise intensity that makes talking difficult.
  2. 4. The ability to sustain physical activity over time.
  3. 5. The process of converting food into energy.
  4. 8. Blood that has delivered oxygen and needs replenishment.
  5. 9. Emergency energy produced during anaerobic exercise.
  6. 11. Organ that pumps blood and oxygen throughout the body.
  7. 15. The top number in blood pressure; pressure during heartbeats.
  8. 16. A level of exercise intensity where talking is still possible.
  9. 17. Acronym for High-Intensity Interval Training.
  10. 18. The bottom number in blood pressure; pressure between beats.
Down
  1. 1. Blood that has received oxygen from the lungs.
  2. 2. Exercise performed without sufficient oxygen.
  3. 6. A sign of aerobic exercise; the body’s way of cooling down.
  4. 7. Increases during aerobic activity to supply oxygen.
  5. 10. Relating to or involving oxygen during physical activity.
  6. 12. A characteristic of aerobic exercise involving steady movement.
  7. 13. Acronym for the Center for Disease Control and Prevention.
  8. 14. A common term for aerobic exercise that strengthens the heart.