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As does the same exercises on a regular basis, they may find that their heart rate decreases with the same amount of activity, this is because (Points : 2) The muscles have acclimated to the work so now it's not as much work The heart muscle has become stronger and can pump more blood and oxygen per beat Both A & B None of the Above

User Meeza S
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Your body gets used to the workout so I would say The muscles have acclimated to the work
User Suffii
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