dawnkuzinich dawnkuzinich

25-01-2017
Biology

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What is an example of cell division at work?
Question 20 options:

Amylase breaks down food.

Liver produces bile.

Oxygen and CO2 are exchanged in lungs.

Red blood cell count increases.

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emmalmathew emmalmathew

25-01-2017

oxygen and carbon dioxide exchanged in the lungs

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