In a process called diffusion, oxygen moves from the alveoli to the blood through the capillaries (tiny blood vessels) lining the alveolar walls. Once in the bloodstream, oxygen gets picked up by the hemoglobin in red blood cells.
The answer should be advantame
I think it would be B, please let me know if that's wrong!
Out of the photosynthesis (plants).
Answer:
2 materials are exchanged between fetal and maternla blood
Explanation:
i just took this test and this was correct
