Health Quiz Review

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Across
  1. 2. fatlike substance found in meats, dairy products, and egg yolks
  2. 4. system made up of heart, blood vessels, and your blood
  3. 5. a muscle acts as a pump to supply blood to your body cells
  4. 6. number of heartbeats per minute when you are relatively inactive
  5. 8. means with "oxygen"
  6. 10. activity that is so intense that your body cannot supply adequate oxygen to sustain
  7. 11. minutes needed of cardiovascular activity
  8. 12. activity helps improve your cardiovascular fitness
Down
  1. 1. system made up of your lungs and the air passages that bring air
  2. 3. is a more vigorous type of aerobic activity
  3. 7. activity that is steady enough to allow the heart to supply all oxygen your muscles need
  4. 9. carries blood filled with waste products from the muscle cells back to the heart
  5. 10. carries blood away from your heart to another part of the body