nymadison24 nymadison24

18-05-2021
Health

contestada

What is the purpose of the valves in the heart?
O To keep the blood flowing in only one direction
To prevent pathogens from entering the heart
To separate the heart into two sides
To control how fast the heart beats

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maric150 maric150

18-05-2021

Answer: The first one, to keep the blood flowing in only one direction

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