The following picture depicts a process that is reponsible for exchange of gases. Can you name the process (X) and mention the place where it takes place during exchange of gases (Y)?

X-respiration; Y-alveoli

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X-diffusion; Y- alveoli

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X-diffusion; Y- nose

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X-diffusion; Y- trachea

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Solution

The correct option is B X-diffusion; Y- alveoli
Diffusion is the movement of molecules from an area of high concentration to an area of low concentration. This phenomenon is responsible for the exchange of gases between the alveoli and the blood capillaries, as well as between the capillaries and the cells.

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Similar questions

Q.  The following picture depicts a process that is reponsible for exchange of gases. Can you name the process (X) and mention the place where it takes place during exchange of gases (Y)?

During respiration, the exchange of gases takes place in :
(a) bronchi
(b) alveoli
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Question 16
During respiration exchange of gases take place in

(a) trachea and larynx
(b) alveoli of lungs
(c) alveoli and throat
(d) throat and larynx

Q. Which of the following statements(s) is (are) true about respiration?
(a) During respiration, ribs move inward, the diaphragm is raised.
(b) In the alveoli, exchange of gases takes place, i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from the blood into the alveolar air.
(c) Haemoglobin has a greater affinity for oxygen than carbon dioxide.
(d) Alveoli increases the surface area for the exchange of gases.

Q. The place where exchange of gases takes place is the __________________.
(a) larynx
(b) alveoli
(c) trachea
(d) bronchi

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