MsBeautiful5767 MsBeautiful5767

19-12-2017
Biology

contestada

Oxygen in the lungs leaves the air sacs and enters the blood

veins

capillaries

Respuesta :

rachelacarman rachelacarman

19-12-2017

Blood. Honestly have no clue

Answer Link

lanena7277 lanena7277

06-10-2020

Answer:

its veins

Explanation:

none

Answer Link

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