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Earn 100

Air entering into the lungs is-

(A) Warmed

(B) Filtered

(C) Deprived of some oxygen

(D) Enriched with CO2

True statements(s) is/are -

50% studentsanswered this correctly

Important Questions on Breathing and Respiration

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Alpha Question Bank for Medical: Biology>Chapter 17 - Breathing and Respiration>Exercise-3>Q 73
Even when there is no air in it, human trachea does not collapse due to presence of -
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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 CO2 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 5th  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 -