If a person was unable to break down food particles into molecules that could be absorbed by the body, you would predict
a. there is a malfunction with the digestive system
b. there is a malfunction with the excretory system
c. there is a malfunction with the reproductive system
d. there is a malfunction with the circulatory system

The correct answer is a. there is a malfunction with the digestive system

Explanation:

The digestive system in the body is responsible for the digestion and absorption of digested food in the body. The initial digestion of food starts from the mouth itself by the action of salivary amylase which partially digests polysaccharides.

Then the food is passed to the stomach where HCL and different enzymes convert food into chyme. The main digestion of food occurs in the small intestine where the macromolecules are digested and broken down in simpler form by hydrolytic enzymes like protease, lipase, etc.

Then these simpler molecules are absorbed in the body through intestine. Therefore the correct answer is a.

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