MEDIUM
7th CBSE
IMPORTANT
Earn 100

Why should we breathe through the nose and not through the mouth?

Important Questions on Respiration in Organisms
MEDIUM
7th CBSE
IMPORTANT
We can hold our breath only for a few _____.

MEDIUM
7th CBSE
IMPORTANT
The air we breathe out during exhalation is rich in _____.

MEDIUM
7th CBSE
IMPORTANT
Alcohol is formed in _____ respiration.

MEDIUM
7th CBSE
IMPORTANT
Anaerobic respiration in our body, muscle cells releases

MEDIUM
7th CBSE
IMPORTANT
We get relief from muscle cramps after (A) _____ and (B) _____ .

MEDIUM
7th CBSE
IMPORTANT
During inhalation, the ribs are pushed

MEDIUM
7th CBSE
IMPORTANT
During exhalation, the space in the chest cavity _____.

EASY
7th CBSE
IMPORTANT
In which activity the breathing rate is the fastest?
