In the regulation of respiration, a chemosensitive area adjacent to the rhythm centre in the medulla region of the brain, is highly sensitive to: 
1. \(HCO^-_3\)
2. \(CO_2\)
3. \(O_2\)
4. \(N_2\)

Subtopic:  Respiratory System: Regulation of Respiration |
 79%
From NCERT
NEET - 2022
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Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.
1. Medulla 2. Pons
3. Thalamus 4. Cerebrum
Subtopic:  Respiratory System: Regulation of Respiration |
 84%
From NCERT
NEET - 2022
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Match the following columns and select the correct option:

Column I Column II
(a) Pneumotaxic Centre  (i) Alveoli
(b) O2 Dissociation curve (ii) Pons region of the brain
(c) Carbonic Anhydrase  (iii) Haemoglobin
(d) Primary site of exchange of gases (iv) R.B.C. 

   

Options: (a) (b) (c) (d)
1. (i) (iii) (ii) (iv)
2. (ii) (iii) (iv) (i)
3. (iii) (ii) (iv) (i)
4. (iv) (i) (iii) (ii)

Subtopic:  Respiratory System: Exchange of Gases | Respiratory System: Regulation of Respiration |
 94%
From NCERT
NEET - 2020
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