PE 11/12- 2.1 Understanding the Heart

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