Define breathing. State the differences between breathing and respiration.

Question

Accepted Answer

The physical mechanism in which an organism takes up oxygen from the air and gives out carbon dioxide is called breathing.




Breathing


Respiration




It is a physical mechanism.


It is a biochemical mechanism.




Only the exchange of gases takes place.


The exchange of gases and oxidation of food take place simultaneously.




Lungs are the only organ involved in the process.


Lungs as well as mitochondria present in the cell are also involved.

Breathing	Respiration
It is a physical mechanism.	It is a biochemical mechanism.
Only the exchange of gases takes place.	The exchange of gases and oxidation of food take place simultaneously.
Lungs are the only organ involved in the process.	Lungs as well as mitochondria present in the cell are also involved.

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