Question

Just discuss the major steps involved in process of nutrition in human beings

Answer 1

the major steps involved in process of nutrition is:
 ingestion
digestion
absorption
 egestion

Answer 2

Answer:

Major steps involved in human nutrition are –

a) Ingestion – Intake of food through mouth. Humans have holozoic mode of nutrition. They engulf solid particles.

b) Digestion – The break down complex food material into simpler one in alimentary canal with the help of mechanical as well as chemical process.

c) Absorption – Digested food is absorbed by the small finger like projections, villi present in the small intestine.

d) Assimilation – Absorbed food reaches to all cells via blood, and utilized for energy, growth and development.

e) Excretion – Undigested food from small intestine passed into large intestine, and then it is thrown out by Anus.