Question

Distinguish between breathing and respiration.​

Answer 1

As stated above, breathing is the biological process of inhaling and exhaling of the gases between the cells and the environment. The mechanism of breathing involves various respiratory structures such as the windpipe, lungs and nose. Respiration, on the other hand, is a chemical process that takes place in the cell.

Answer 2

➜ Breathing:

• The process of obtaining oxygen and releasing carbon dioxide is called breathing.
• It is a physical process.
• It takes place in the lungs.
• It utilises energy from the food.

Respiration:

• The process of releasing energy from food is called respiration.
• Heterotrophs are directly or indirectly dependent on autotrophs.
• It takes place in the lungs as well as in mitochondria.
• It releases energy from the oxidation of simple food.