ciara3126550932 ciara3126550932

20-05-2018
Physics

contestada

A flap of tissue that prevents blood from flowing back is a(n)________ .

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Aysha1311 Aysha1311

20-05-2018

a valve is a flap of tissue that prevents blood from flowing back

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sophienicole09 sophienicole09

03-05-2022

Answer:

It is a valve.

Explanation:

Took the test and got it right

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