Question

Q2. Give any two features which are common to all respiratory organs found in the living organisms.​

Answer 1

In this process, animals intake oxygen and release carbon dioxide. It is also known as breathing. This is mainly two phases.

Inspiration: It is the process by means of which oxygen is taken to the lungs.

Expiration: During expiration, carbon dioxide is expelled out from the respiratory organs into the environment.

Answer 2

In this process, organism’s consume oxygen and discharge carbon dioxide. It is also called as breathing.  

Explanation:

• All the respiratory organs have huge surface area which helps in getting needed oxygen.
• All the respiratory organs acquire thin walls which helps in easy diffusion and interchange of respiratory gases.
• All the respiratory organs such as skin, gills and lungs, have a affluent blood supply which helps in transportation of respiratory gases.

This is mainly two phases:

Inspiration: It is the steps by means of which oxygen is captured to the lungs.

Expiration: During expiration, $CO_{2}$ is discharged out from the respiratory organs into the environment.

To know more:

Four respiratory organ found in living organisms

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