How are oxygen and carbon dioxide exchanged between the alveoli and the capillaries?
A. Endocytosis
B. Osmosis
C. Simple diffusion
5
D. Active transport

B. Osmosis

Explanation:

Osmosis is the process in which oxygen and carbon dioxide exchanged occur between the alveoli and the  capillaries because the oxygen enters the body and the carbondioxide gas leaves the cell through a semi-permeable membrane and we know that Osmosis is a process in which smaller molecules moves from higher concentration to lower concentration through semi-permeable membrane of the cell.

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the right side of the picture going down is:

polymerase

protein

transport vesicle

modified protein

the left side of the picture going down is:

dna helix

single-stranded rna

endoplasmic reticulum

ribosome

golgi apparatus

protein released from vesicle

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