xjessica xjessica

29-01-2021
Biology

contestada

????? can someone help pls lol

can someone help pls lol class=

Respuesta :

29-01-2021

Answer:

b

Explanation:

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mishy15 mishy15

29-01-2021

D
Explanation: the blood vessel showed above has valves. Veins are the only ones that have valves.These valves prevent backflow of blood to the leg.

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