Respiration is:

During inhalation in humans:

During exhalation of a grasshopper:

During inhalation of a fish:

Oxymeter is a device used to:

Why does lime water becomes turbid in a water that was containing a fish in it?

Name the gases involved in respiration.

Do plants make respiration?

To study respiration in plants why do we use a black mask?

Why does the lime water remained clear of a green plant without a black mask?

Explain the raise of the level of water in the tube in the side of seeds.

The blood leaving the lungs is:

The gaseous exchange in humans takes place at the level of :

The gaseous exchange in a grasshopper takes place:

The respiratory organ(s) of frog:

The type of respiration of an earthworm;

The gaseous exchange across the gills takes place:

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