When your body burns calories more efficiently, you A. increase the amount of muscle mass and decrease the amount of body fat. B. decrease the amount of muscle mass and increase the amount of body fat. C. exercise without fatigue. D. lose all your body fat.

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Asked 8/5/2022 4:44:12 PM

Updated 69 days ago|2/6/2026 3:26:18 AM

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User: When your body burns calories more efficiently, you A. increase the amount of muscle mass and decrease the amount of body fat. B. decrease the amount of muscle mass and increase the amount of body fat. C. exercise without fatigue. D. lose all your body fat.

Weegy: When your body burns calories more efficiently, you increase the amount of muscle mass and decrease the amount of body fat.
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User: Olympic athletes have lower resting heart rates because A. their lungs tend to be naturally larger. B. they exercise regularly, which improves the efficiency of their heart. C. they have a lot of muscle mass due to weightlifting. D. they tend to eat low-fat diets.

Weegy: Olympic athletes have lower resting heart rates because they exercise regularly, which improves the efficiency of their heart.
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Asked 8/5/2022 4:44:12 PM

Updated 69 days ago|2/6/2026 3:26:18 AM

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This answer has been confirmed as correct and helpful.

Edited by anthony23 [2/6/2026 3:26:14 AM]

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