NEET UG BIOLOGY MCQ: BREATHING AND EXCHANGE OF GASES

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The thoracic chamber is formed dorsally by the …A…, ventrally by the …B…, laterally by the …C… and on lower side by the dome-shaped …D…
Select the right choices for A, B, C and D to complete the given NCERT statement

View answer and explanation

Correct option: A

A-vertebral column, B-sternum, C-ribs, D-diaphragm

Option A (A-vertebral column, B-sternum, C-ribs, D-diaphragm) is correct because it accurately describes the anatomical boundaries of the thoracic chamber.

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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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