Question:
When percentage saturation of haemoglobin with O$^2$ is plotted against pO$^2$, the curve obtained is
When percentage saturation of haemoglobin with O$^2$ is plotted against pO$^2$, the curve obtained is
Updated On: Jun 6, 2022
- J shaped
- Hyperbola
- Sigmoid
- Parabola
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The Correct Option is C
Solution and Explanation
The relationship between partial pressure of oxygen and percentage saturation of the haemoglobin with oxygen is graphically illustrated by a curve called oxygen haemoglobin dissociation curve. Under normal conditions the oxygen haemoglobin dissociation curve is sigmoid or s-shaped. The lower part of curve indicates dissociation of oxygen from haemoglobin while the upper part indicates the acceptance of oxygen by haemoglobin.
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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