Question

*The diffusion of carbon dioxide occurs from:*

1️⃣ Alveoli to tissue
2️⃣ Tissue to alveoli
3️⃣ Both 1 and 2
4️⃣ None of these​

Answer 1

ANSWER:

Alveoli to tissue....

EXPLANATION:

Gas exchange occurs in the alveoli so that oxygen is loaded into the bloodstream and carbon dioxide is unloaded from the bloodstream. ... Oxygen diffuses into the cells of the tissues, while carbon dioxide diffuses out of the cells of the tissues and into the bloodstream......

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