Question

list four conditions required for efficient gas exchange in an organism

Answer 1

Four condition required for efficient exchange of gases of an organism : -

i ) Large surface area over which exchange of gases can take place easily.

i i ) very fine and delicate surface for easy exchange of Oxygen and Carbon dioxide.

i i i ) Placement of respiratory surface within the body for protection & hence special passages are present so that the air could easily enter and exit.

i v ) Mechanism for moving the air in & out of the respiratory surface where oxygen is absorbed.

Answer 2

Answer:

The physical process through which gases diffuse passively across a surface is known as gas exchange. A gas-permeable membrane, the air/water interface of a water body, the surface of a gas bubble in a liquid, or a biological membrane that separates an organism from its extracellular environment are a few examples of this surface's potential applications.

Explanation:

An organism must meet the following conditions for effective gas exchange:

1. Ample surface area for straightforward gas exchange.

2. A smooth and sensitive surface for simple oxygen and carbon dioxide exchange.

3. A system for introducing and removing air from the respiratory surface.

4. The positioning of the respiratory surface within the body for defence.

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