Nutrition refers to the processes involved in:
Correct answer: D. All of the above options are correct
- A. Taking in of food
- B. Utilization of food elements
- C. Growth, repair, and maintenance
- D. All of the above options are correct
Explanation
Nutrition is the process of taking in food and converting it into energy and other vital nutrients required for life. Nutrients are the substances which provide energy and biomolecules necessary for carrying out the various body functions. All living organisms need nutrients for proper functioning and growth.
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About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
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