kiaravasquez1230 kiaravasquez1230

11-09-2020
Biology

contestada

What happens to blood once oxygen hits and why?

Respuesta :

11-09-2020

Answer:it changes colour

Explanation:

When blood passes through the lungs, the hemoglobin absorbs oxygen from the air we breathe and turns bright red. Our heart then pumps this blood all over the body. When it reaches its destination, the oxygen is released from the hemoglobin, and the hemoglobin turns a darker red-brown.

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