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levacccp [35]
3 years ago
15

What is the pathway for co2 in our respiratory system?​

Health
2 answers:
Rama09 [41]3 years ago
8 0
Carbon dioxide (CO2) is a waste product of cellular metabolism. You get rid of it when you breathe out (exhale). This gas is transported in the opposite direction to oxygen: It passes from the bloodstream – across the lining of the air sacs – into the lungs and out into the open.
kumpel [21]3 years ago
7 0

Answer:

alveoli

Explanation:

because carbon dioxide moves from the blood in the capillaries to the air in the alveoli

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