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Biology, 26.02.2021 08:50 fortwill05

LET'S CHECK 1. what is the difference between atria and ventricles
2. what is the function of blood vessels?
3. what is the difference between an artery and a vein?
4. why are platelets important to the body?

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LET'S CHECK 1. what is the difference between atria and ventricles
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