Question:
The factor which does not affect the rate of alveolar diffusion is
The factor which does not affect the rate of alveolar diffusion is
Updated On: Aug 15, 2022
- solubility of gases
- thickness of the membranes
- pressure gradient
- reactivity of the gases
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The Correct Option is D
Solution and Explanation
$O_2$ and $CO_2$ are exchanged in the alveoli by simple diffusion. The factors that affect the diffusion are pressure gradient of the gases, solubility of the gases and the thickness of the membranes involved in diffusion.
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Concepts Used:
Breathing and Exchange of Gases
A metabolic process, which is carried out by all living organisms including plants, animals, and humans for the production of energy and to stay alive is Respiration. Except for required anaerobes, every other organism from amoeba to humans needs oxygen for survival. And evolution has reported a number of systems that allows the exchange of gases in organisms.
There are two types of respiration such as;
- Aerobic respiration — to produce energy, it occurs in the presence of oxygen
- Anaerobic respiration — to produce energy, occurs in the absence of oxygen
Breathing can be simply derived as the process of inhaling oxygen gas from the atmosphere and exhaling the carbon dioxide gas back into the atmosphere is termed breathing and the process is commonly known as respiration.
Read More: Breathing and Exchange of Gases