Health, 02.01.2020 07:31 hkcapricorn7705
Why does th e heart automatically adjust the flow to match activity levels? a. extreme actvity damages blood cellsand the body needs replacements b. the heart requires more oxygen when excersing c. it builds upahigher level of oxyge int he blood d. organs and musclesrequire moreblood under stress
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Why does th e heart automatically adjust the flow to match activity levels? a. extreme actvity dama...
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