Q.
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$\,\,\,$ | 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$\,\,\,$ |
Breathing and Exchange of Gases
Solution: