Question

The main steps of nutrition in humans are _________, _________, ___________, ________, and ________.

Answer 1

Nutrition:

1. Nutrition is the biochemical process by which an organism metabolizes food to support itself and grow.
2. The five steps of nutrition are ingestion, digestion, absorption, assimilation, and egestion.
3. Ingestion is the process by which food particles are consumed via the mouth.
4. In digestion, the food particles are digested by enzymes that break down the food particles into smaller molecules.
5. Absorption is the process in which the digested food is absorbed into the bloodstream and is utilized by the cells as energy.
6. Assimilation is the process by which digested food particles are transported to different cells for their growth and repair.
7. Egestion is the method of expelling the wastes generated by the body via excretion.

Final answer: The main steps of nutrition in humans are ingestion, digestion, absorption, assimilation, and egestion.