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Cv And Resp Review Ppt
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3. When it comes to getting blood back to the heart from your toes, gravity poses a problem. However, you do NOT have to stand on your head to get that blood back to your heart. What structure in the cardiovascular system prevents blood from flowing backward? VALVES
5. What are some things you can do to keep your heart healthy?
6. What has happened to this person’s pulse since he started doing jumping jacks? What has happened to this person’s heart rate since he started doing jumping jacks?