NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES

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Asthama is caused by

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Correct option: D

Spasm in the bronchioles and bronchi

Option D (Spasm in the bronchioles and bronchi) is correct because asthma is characterized by the constriction and inflammation of these airways, leading to breathing difficulties.

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External gills, tracheae, and lungs all share which of the following sets of characteristics? A person suffers punctures in his chest cavity in an accident, without any damage to the lungs its effect could be Among vertebrates, …A… use gills whereas reptiles, birds and mammals respire through the …B… . Amphibians like frogs can respire through …C… also. Mammals have a well adapted respiratory system
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