Question

explain the nutrition in human being in easy language

Answer 1

The seven major classes of nutrientsare carbohydrates, fats, fiber, minerals, proteins, vitamins, and water. ... The macronutrients (excluding fiber and water) provide structural material (amino acids from which proteins are built, and lipids from which cell membranes and some signaling molecules are built), and energy.

Answer 2

The nutrition of human being involved various steps in the process of nutrition are:
1. Ingestion
2. Digestion
3. Absorption
4. Assimilation
5. Egestion

1. Ingestion: taking food through our mouth.

2. Digestion: complex food molecule converted into simpler substance.

3. Absorption: the simple soluble food is absorbed by blood through diffusion.

4. Assimilation: cell absorbed food through blood for its growth and repair of the body.

5. Egestion: undigested food material is moved through the surface of the cell and through out.