Question

The correct order of the various steps of human nutrition is:

• A. Ingestion, egestion, digestion, absorption, and assimilation
• B. Ingestion, egestion, assimilation, absorption, and assimilation
• C. Ingestion, assimilation, digestion, absorption, and egestion
• D. Ingestion, digestion, absorption, assimilation, and egestion

Answer 1

The correct option is D Ingestion, digestion, absorption, assimilation, and egestion

There are five steps in the process of nutrition in animals. The steps are:

• Ingestion - The process of taking food into the body is called ingestion.
• Digestion - It involves the break down of nutrients such as proteins into amino acids, carbohydrates into starch, and fats into fatty acids and glycerol.
• Absorption - It involves the absorption of nutrients from the food to the blood.
• Assimilation - It involves the process of transporting nutrients and water to all parts of the body by blood.
• Egestion - It involves the disposal of undigested food from the body. Hence, various steps of human nutrition are in the order - Ingestion, digestion, absorption, assimilation and egestion.

So, the correct answer is option D.