(C) Carbon monoxide $(CO)$ has a much higher affinity for haemoglobin than oxygen. When inhaled,it binds with haemoglobin to form a very stable compou

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By forming a stable compound with haemoglobin

(C) Carbon monoxide $(CO)$ has a much higher affinity for haemoglobin than oxygen. When inhaled,it binds with haemoglobin to form a very stable compound called carboxyhaemoglobin. This process prevents haemoglobin from binding with oxygen,thereby blocking oxygen transport to the body tissues. Prolonged inhalation of $CO$ can lead to severe hypoxia and even death.

Class 11 Biology Breathing and Exchange of Gases Transport of gases

Medium

How does carbon monoxide,emitted by automobiles,prevent the transport of oxygen in the body tissues?

AIPMT 1998 All AIPMT

A
By changing oxygen into carbon dioxide
B
By destroying the haemoglobin
C
By forming a stable compound with haemoglobin
D
By obstructing the reaction of oxygen with haemoglobin

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Class 11

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Breathing and Exchange of Gases

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Transport of gases

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AIPMT 1998 Paper All AIPMT years →

Haemoglobin is a red-colored,iron-containing pigment present in $RBCs$. $O_2$ binds with it in a reversible manner to form..........

Medium

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Which fact suggests that most oxygen is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma?

Medium

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$A$: $100 \; ml$ of venous blood contains $14.4 \; ml$ of $O_2$,meaning it is still $75\%$ saturated with oxygen under normal conditions.
$R$: About $4.6 \; ml$ of $O_2$,i.e.,$25\%$,diffuses from arterial blood into the tissues during resting conditions.

Medium

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The transport of carbon dioxide from tissues to the respiratory surface occurs primarily through ..........

MediumAIPMT 1993

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Explain the transport of $O_2$ and $CO_2$ between alveoli and tissues with a diagram.

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How does carbon monoxide,emitted by automobiles,prevent the transport of oxygen in the body tissues?

Similar Questions

Haemoglobin is a red-colored,iron-containing pigment present in $RBCs$. $O_2$ binds with it in a reversible manner to form..........

Which fact suggests that most oxygen is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma?

$A$: $100 \; ml$ of venous blood contains $14.4 \; ml$ of $O_2$,meaning it is still $75\%$ saturated with oxygen under normal conditions.$R$: About $4.6 \; ml$ of $O_2$,i.e.,$25\%$,diffuses from arterial blood into the tissues during resting conditions.

The transport of carbon dioxide from tissues to the respiratory surface occurs primarily through ..........

Explain the transport of $O_2$ and $CO_2$ between alveoli and tissues with a diagram.

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$A$: $100 \; ml$ of venous blood contains $14.4 \; ml$ of $O_2$,meaning it is still $75\%$ saturated with oxygen under normal conditions.
$R$: About $4.6 \; ml$ of $O_2$,i.e.,$25\%$,diffuses from arterial blood into the tissues during resting conditions.