In which point pulmonary artery is different from pulmonary vein
A.
Its lumen is broad
B.
Its wall is thick
C.
It have valves
D.
It does not possess endothelium
Answer :
Its wall is thick
Releted MCQ Question on Zoology >> Body Fluids and Circulation
Releted Question 1
Adult human RBCs are enucleated. Which of the following statement(s) is/are most appropriate explanation for this feature? (1) They do not need to reproduce (2) They are somatic cells (3) They do not metabolize (4) All their internal space is available for oxygen transport