Question

What is the main function of the digestive system?

a.

Absorption of nutrients

b.

Secretion of digestive enzymes

c.

Elimination of waste products

d.

Conversion of complex foods into chemical substances small enough to be absorbed

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Answer: (d).Conversion of complex foods into chemical substances small enough to be absorbed Explanation:The main function of the digestive system is the conversion of complex foods into chemical substances small enough to be absorbed through the intestinal lining and passed into the bloodstream for use of body cells.

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