Question

The given figure shows diagrammatic representation of exchange of gases at the alveolus and the body tissues with blood and transport of oxygen and carbon dioxide. Identify the blood vessels $A$ to $D$.

	A	B	C	D
(a)	Systemic vein	Pulmonary artery	Pulmonary vein	Systemic artery
(b)	Systemic artery	Pulmonary artery	Pulmonary vein	Systemic vein
(c)	Pulmonary artery	Systemic vein	Pulmonary vein	Systemic artery
(d)	Systemic vein	Pulmonary vein	Pulmonary artery	Systemic artery

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (A)

Correct answer is (a) a