Which of the following is NOT a function of the digestive system?
A. ingestion of food
B. digestion of food
C. absorption of food
D. elimination of digestible wastes
E. elimination of nondigestible waste

D. elimination of digestible wastes.

Explanation:

Digestion is the breakdown of large food components into smaller size in the body.

The digestive system functions includes the chemical breakdown of food, mechanical breakdown of food, absorption of food molecules and elimination of waste products.

The digestive tract can be compare to a tube with two openings - mouth and anus. The process of digestion starts from the mouth ( ingestion of food) through the oesophagus down to the stomach (where the food is mixed with digestive juices) then to the small intestine (this is where most of the digestion process takes place) then to the large intestine and finally to the anus where undigested wastes are eliminated

E. elimination of nondigestible waste

Explanation:

The digestive system is a kind of alimentary canal, connecting several organs and communicating with several glands throughout the digestion process.

Its main functions are:

The elimination of unnecessary products for digestion (excretion) is not a major function of the digestive system.

The main responsible for the elimination of nondigestible waste is, in the human body, the excretory system (sweat, urine and excretion of carbon dioxide in the breath), while the feces are, in the majority, constituted by digestion residues and bacteria that reside in the digestive tract. .

answer; the tunica intima also called tunica interna, consists of elastic fibers,connective tissue and smooth muscle cells;

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