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guajiro [1.7K]
3 years ago
7

The diffusion of a substance into or out of a cell requires

Biology
1 answer:
Kitty [74]3 years ago
5 0

Answer:

Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane. Gas exchange in gills and lungs operates by this process. Carbon dioxide is produced by all cells as a result of cellular metabolic processes.

Explanation:

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