zairebrown0 zairebrown0
  • 13-01-2022
  • Biology
contestada

What 4 things help to keep blood
flowing through the veins in one
direction?

Respuesta :

daviannasharding415
daviannasharding415 daviannasharding415
  • 13-01-2022

Answer:

Valves in the veins keep blood flowing in the correct direction.

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