Sagot :
Answer:
The cells need oxygen for metabolism, which creates carbon dioxide as a waste product. The carbon dioxide is absorbed from the cells by the blood plasma (some of it binds to hemoglobin too) and is transported back to the lungs in the bloodstream. There it leaves the body when we breathe out.
Explanation:
Pa follow po please
Pa brainliest po please
Answer:
C
Explanation:
Because it gives energy for our cells to work