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olga55 [171]
3 years ago
7

Within the capillaries of the lungs, gases are exchanged by diffusion; oxygen diffuses from the _____ to the ____ and carbon dio

xide diffuses from the _____ to the_____.
Biology
2 answers:
navik [9.2K]3 years ago
6 0
I guess that is:
Within the capillaries of the lungs, gases are exchanged by diffusion; O2 diffuses from the alveolus to the bloodstream and CO2 diffuses from the bloodstream to the alveolus.
Greeley [361]3 years ago
5 0
1. alveoli to the bloodstream     2.bloodsteam to alveoli
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