nba2klegend nba2klegend

25-02-2021
Health

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lydia112233 lydia112233

25-02-2021

Answer:

The valves

Explanation:

The valves open and close allowing blood to flow and prevent the direction of the blood to go backwards. Kind of like a one-way road.

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notsayingmynamelol notsayingmynamelol

25-02-2021

Values is the correct answer / heart values

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