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Other quiz:

Life Processes › View

The continuous contractions and relaxations of the digestive organs is called

A. peristalsis

B. photosynthesis

C. expansion

D. constriction

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Biological Molecules and Enzymes › View

What is the primary function of carbohydrates in living organisms?

A. Building cell walls

B. Transporting oxygen in the blood

C. Source of energy

D. Regulating body temperature

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