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Olympic athletes have lower resting heart rates because A. they have a lot of muscle mass due to weightlifting. B. they exercise regularly, which improves the efficiency of their heart. C. they tend to eat low-fat diets. D. their lungs tend to be naturally larger.
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Asked 12/10/2015 2:20:22 PM
Updated 7/13/2016 11:39:00 PM
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User: Olympic athletes have lower resting heart rates because A. they have a lot of muscle mass due to weightlifting. B. they exercise regularly, which improves the efficiency of their heart. C. they tend to eat low-fat diets. D. their lungs tend to be naturally larger.

Weegy: C. they exercise regularly, which improves the efficiency of their heart.
batotoy|Points 1475|

User: Your heart functions in your body as a(n) A. series of joints responsible for endurance. B. organ for absorbing vitamins and minerals. C. filter for impurities. D. muscle that helps to pump oxygen around the body

Question
Asked 12/10/2015 2:20:22 PM
Updated 7/13/2016 11:39:00 PM
1 Answer/Comment
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8
Your heart functions in your body as a: muscle that helps to pump oxygen around the body.
Added 7/13/2016 11:39:00 PM
This answer has been confirmed as correct and helpful.
Confirmed by vchutkan [7/13/2016 11:41:57 PM]
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1 Answer/Comment
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This answer has been confirmed as correct and helpful.
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Your heart functions in your body as a(n) A. series of joints responsible for endurance. B. organ for absorbing vitamins and minerals. C. filter for impurities. D. muscle that helps to pump oxygen around the body
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Updated 1/18/2016 12:08:59 AM
1 Answer/Comment
Your heart functions in your body as a muscle that helps to pump oxygen around the body.
Added 1/18/2016 12:08:59 AM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [1/18/2016 12:12:29 AM]
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