Gills are the respiratory organs in

Frog respires through …… in summer and winter.

Small minute openings on the surface of stem are

Small minute openings on either side of cockroach body are

Earthworm respires through

Tracheal respiration is present in

In the following, one cannot be a respiratory organ.

What are the parts which helps in respiration of plants?

Which gas is very less quantity in inhaled air?

Exhaled air does not contain the following gas.

Respiratory organs in frog tadpoles are

The respiratory organ in frog life history

It is called fixed gas

Gases exchange take place in this process.

Who done the experiments on mint sprig with burning candle?