Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 73

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Even when there is no air in it, human trachea does not collapse due to presence of -

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Important Questions on Breathing and Respiration

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 74

Volume of air inspired and expired in each breath in normal respiration by man is called-

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 75

Oxygen carried in inhalation ultimately reaches-

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 76

If the

{CO}_{2}

concentration in the blood increases, the breathing shall -

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 77

Which one of the following statements is incorrect?
$A$ . Trachea divides at the level of

5^{th}

thoracic vertebra into a right and left primary bronchi.

B

. Initial bronchioles are supported by complete cartilaginous rings.

C

. Each terminal bronchiole gives rise to a number of very thin, irregular walled and vascularised baglike structure called bronchi.

D

. Larynx is a cartilaginous box which help in sound production and hence called the sound box.

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 78

Diaphragm present in mammals is

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 79

Which one of these statements is correct?

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 80

In a mammalian lungs, the rate at which oxygen could be obtained from the air would increase, if -

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 81

The separation of oxygen from oxyhaemoglobin is enhanced in the exercising muscle (Bohr's effect), due to -