14) regular aerobic activity improves the efficiency of the heart by?
a. thinning the blood....
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Health, 23.08.2019 22:30 vickReis06
14) regular aerobic activity improves the efficiency of the heart by?
a. thinning the blood.
b. strengthening the skeletal muscles.
c. increasing the amount of blood pumped with each heartbeat.
d. decreasing the blood volume.
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