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Standard XII

Biology

Tidal Volume

For completio...

Question

For completion of the respiration process, write the given steps in a sequential manner.

a. Diffusion of gases ( $O_{2}$ and $C O_{2}$ ) across the alveolar membrane.

b. Transport of gases by blood.

c. Utilisation of $O_{2}$ by the cells for catabolic reactions and resultant release of $C O_{2}$ .

d. Pulmonary ventilation by which atmospheric air is drawn in and $C O_{2}$ rich alveolar air is released out.

e. Diffusion of $O_{2}$ and $C O_{2}$ between blood and tissues.

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Solution

Steps involved in respiration

The steps happening during respiration are:
1.Pulmonary ventilation by which atmospheric air is drawn in and $C O_{2}$ rich alveolar air is released out.

2.Diffusion of gases ( $O_{2}$ and $C O_{2}$ ) across the alveol membrane.

3.Transport of gases by blood.

4.Diffusion of $O_{2}$ and $C O_{2}$ between blood and tissues.

5. Utilisation of $O_{2}$ by the cells for catabolic reactions and resultant release of $C O_{2}$ .
Final answer

$d \to a \to b \to e \to c$

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Similar questions

Respiration in insects is called direct because

(a) the cells exchange $O_{2} / C O_{2}$ directly with the air in the tubes

(b) the tissues exchange $O_{2} / C O_{2}$ directly with the air in the tubes

(d) tracheal tubes exchange $O_{2} / C O_{2}$ directly with the haemocoel which then exchange with tissues

Q. Respiration involves following steps:
A. Diffusion of gases

O_{2}

and

{C O}_{2}

across alveolar membrane.
B. Transport of gases by blood.
C. Utilization of

O_{2}

by cell for catabolic reaction and resultant release of

O_{2}

.
D. Pulmonary ventilation by which atmospheric air is drawn in and

{C O}_{2}

rich air is released out.
E. Diffusion of

O_{2}

and

{C O}_{2}

between blood and tissue.

Q. Given below is a list of different steps (i-vi) involved in respiration.
(i) Utilisation of

O_{2}

by the cells for catabolic reactions.
(ii) Transport of gases by the blood.
(iii) Pulmonary ventilation by which atmospheric air is drawn in and

C O_{2}

is released out.
(iv) Released resultant

C O_{2}

.
(v) Diffusion of

O_{2}

and

C O_{2}

between blood and tissues.
(vi) Diffusion of gases (

O_{2}

and

C O_{2}

) across alveolar tissues.
Select an option that has the correct sequence of all the steps.

Q. Given below is a list of different steps (i-vi) involved in respiration.
(i) Utilisation of

O_{2}

by the cells for catabolic reactions
(ii) Transport of gases by the blood
(iii) Pulmonary ventilation by which atmospheric air is drawn in and

C O_{2}

is released out
(iv) Release of resultant

C O_{2}

(v) Diffusion of

O_{2}

and

C O_{2}

between blood and tissues
(vi) Diffusion of gases (

O_{2}

and

C O_{2}

) across alveolar tissues.
Select an option which has correct sequence of all the steps.

Q. Arrange the given steps of respiration mechanism in the order they occur in the human body.
I. Breathing or pulmonary ventilation
II. Diffusion across the alveolar membrane
III. Transport of gases by blood
IV. Utilisation of

O_{2}

by cells
V. Diffusion of

O_{2}

and

C O_{2}

between blood and tissues

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Tidal Volume

Standard XII Biology

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