1.

Define breathing. State the differences between breathing and respiration.

Answer»

The mechanism by which an organism obtains oxygen from the air and releases carbon dioxide is called breathing.Difference between breathing and respiration:- 

Breathing 

(i) Breathing is a simple process. 

(ii) Breathing involves taking in oxygen from the air and releasing carbon dioxide into the air. 

(iii) Breathing is a physical process. 

Respiration 

(i) Respiration is a complex process. 

(ii) Respiration includes breathing as well as the oxidation of food in the cells of the organism to release energy. 

(iii) Respiration is a bio-chemical process.



Discussion

No Comment Found