Internal respiration

It is a chemical process which occurs in cells, it breaks down organic food substances with the release of energy as the main product and carbon dioxide and water as the by- products.

Internal respiration talks about respiration itself, it can take place with or without the participation of oxygen whereas energy is mostly obtained from carbohydrates by internal respiration.

Carbohydrates which are obtained from the food we take into our system produces energy after respiration. When the energy is produced in the presence of oxygen, it is known as aerobic respiration whilst the one without oxygen is anaerobic respiration.

There are two types of internal respiration. They are:

Aerobic respiration and Anaerobic respiration.