During respiration, exchange of gases takes place in which of the following parts?

Nostrils

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Pharynx

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Alveoli

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Trachea

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Solution

The correct option is C Alveoli
A pair of human lungs typically consists of about 700 million alveoli, which are the basic units of respiration. It provides a surface for gas exchange to take place.

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Similar questions

Q. During respiration exchange of gases take place in

During respiration, the exchange of gases takes place in :
(a) bronchi
(b) alveoli
(c) bronchioles
(d) trachea

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 are true about respiration?

(i) In plants, respiration happens during the night time only, while photosynthesis happens during the day.

(ii) In humans, the exchange of gases takes place in the alveoli.

(iii) Haemoglobin has a greater affinity for oxygen than carbon dioxide.

(iv) Aquatic organisms use the oxygen in the surrounding atmosphere for respiration.

[0.8 Mark]

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.

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During respiration, exchange of gases takes place in which of the following parts?

The correct option is C AlveoliA pair of human lungs typically consists of about 700 million alveoli, which are the basic units of respiration. It provides a surface for gas exchange to take place.

The correct option is C Alveoli
A pair of human lungs typically consists of about 700 million alveoli, which are the basic units of respiration. It provides a surface for gas exchange to take place.