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17 votes
17 votes
What prevents the blood in veins from flowing in the wrong direction?.

User Jeff Martin
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1 Answer

22 votes
22 votes

Answer:

The heart valves

Step-by-step explanation:

The heart valves prevent blood from flowing in the wrong direction in the heart. The valves are held in the proper place because of the chordae tendinae.

User Ravenscar
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