People who have migrated from the plains to a | vedclass

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Question

(A) When people migrate from plains to high-altitude areas like Rohtang Pass,the atmospheric pressure decreases,leading to lower oxygen availability (

Vedclass · Accepted Answer

They will have more $RBC$s and their hemoglobin will have a lower binding affinity to $O_2$.

Vedclass · Answer

(A) When people migrate from plains to high-altitude areas like Rohtang Pass,the atmospheric pressure decreases,leading to lower oxygen availability (hypoxia). To compensate,the body undergoes acclimatization by increasing the production of $RBC$s to carry more oxygen and decreasing the binding affinity of hemoglobin to $O_2$ (shifting the oxygen-hemoglobin dissociation curve to the right),which facilitates the release of oxygen to the tissues. $A$ period of six months is sufficient for the body to adapt to these changes. Therefore,the correct option is $A$.

Column-$I$	Column-$II$
$1$. $97\%$ of $O_2$ is transported	$p$. Bicarbonate
$2$. $70\%$ of $CO_2$ is transported	$q$. $RBC$
$3$. $100$ $ml$ of oxygenated blood	$r$. $4$ $ml$
$4$. $100$ $ml$ of deoxygenated blood	$s$. $5$ $ml$

People who have migrated from the plains to an area near Rohtang Pass six months ago will exhibit which of the following characteristics?

Similar Questions

Mark the incorrect statement.

Which of the following is a respiratory gas?

Match the following:
Column-$I$ Column-$II$
$1$. $97\%$ of $O_2$ is transported $p$. Bicarbonate
$2$. $70\%$ of $CO_2$ is transported $q$. $RBC$
$3$. $100$ $ml$ of oxygenated blood $r$. $4$ $ml$
$4$. $100$ $ml$ of deoxygenated blood $s$. $5$ $ml$

When the external temperature is higher than our body temperature, we regulate it by $........$, and when it is lower than our body temperature, we regulate it by $........$.

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