Question and answer
Regular aerobic activity improves the efficiency of the heart by A. decreasing the blood volume. B. strengthening the skeletal muscles. C. thinning the blood. D. increasing the amount of blood pumped with each heartbeat.
Regular aerobic activity improves the efficiency of the heart by: increasing the amount of blood pumped with each heartbeat.
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MissEb|Points 105|
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Asked 5/3/2011 5:16:17 PM
Updated 10/29/2016 12:09:51 PM
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This answer has been confirmed as correct and helpful.
Edited by Janet17 [10/29/2016 12:09:49 PM], Confirmed by Janet17 [10/29/2016 12:09:51 PM]
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