The use of absorbed food materials by the body cells for growth and repair is called
- A. ingestion
- B. egestion
- C. assimilation
- D. absorption
Explanation
Assimilation is the last stage of nutrition, in which the absorbed molecules are actually built into cell components or oxidised for energy. Absorption is the earlier step of moving them from the gut into the blood, which is the usual confusion. Egestion is the removal of undigested material as faeces and is not excretion, since that waste never entered the body's cells.
Related questions
Hydrochloric acid in gastric juice is important because it
Pepsin is secreted in an inactive form as pepsinogen because
The enzyme that digests fats into fatty acids and glycerol is secreted mainly by the
Trypsinogen released by the pancreas is converted into active trypsin by
Most of the products of digestion are absorbed in the