The diagrammatic representation shows
the pulmonary and systemic circulations.
Identify the parts labelled as a, b, c, and d
and select the correct option.
A a- Pulmonary artery, b- Pulmonary
vein, c- Aorta, d- Vein
B a- Pulmonary vein, b- Vein, c- Pulmonary
artery, d- Aorta
C a- Pulmonary vein, b- Aorta, c- Vein,
d- Pulmonary artery
D a- Aorta, b- Vein, c- Pulmonary vein,
d- Pulmonary artery