The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and/or characteristics.
A.
B-pleural membrane-surrounds ribs on both sides to provides cushion against rubbing
B.
C-Alveoli-thin walled vascular bag like structures for exchange of gases
C.
D-Lower end of lungs-diaphragm pulls it down during inspiration
D.
A-trachea-long tube supported by complete cartilaginous rings for conducting inspired air
Answer :
C-Alveoli-thin walled vascular bag like structures for exchange of gases
Releted MCQ Question on Zoology >> Breathing and Exchange of Gases
Releted Question 1
Select the correct events that occur during inspiration. (i) Contraction of diaphragm (ii) Contraction of external inter-costal muscles (iii) Pulmonary volume decreases (iv) Intra pulmonary pressure increases
Tidal volume and Expiratory reserve volume of an athlete is $$500\,mL$$ and $$1000\,mL$$ respectively. What will be his Expiratory capacity if the residual volume is $$1200\, mL?$$