Why do we have valves in our heart ?
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to control the pressure and amount of blood .
to make sure that oxygented aand deoxygenated blood do not gets mixed if it has helped plz mark it as brainliest
to make sure that oxygented aand deoxygenated blood do not gets mixed if it has helped plz mark it as brainliest
vishnutp:
thankz man
ok no problem
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