_are structures that allow for one-way blood flow through the heart HELP!!!!

asked Feb 1, 2020 122k views

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1 vote

Answer:

Its valves

Step-by-step explanation:

i got an 100 on the test.

Kayakpim answered Feb 2, 2020

8.7k points

5 votes

Answer:

Ventricles

Step-by-step explanation:

Paul Bevis answered Feb 6, 2020

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