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Home Q & A Board Biology-Related Homework Help Medicine
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Dymondmonae Dymondmonae
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5 years ago
Heart valves serve what purpose?

• They prevent backflow of blood.

• They control the heart's electrical signals.

• They prevent blood from flowing forward.

• They prevent oxygenated blood from flowing through the coronary arteries.
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EKG Plain and Simple

EKG Plain and Simple


Edition: 4th
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gumpfablegumpfable
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5 years ago
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Dymondmonae Author
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#2
5 years ago
Exactly what I needed for my project, TYSM
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