All the arteries carry oxygenated blood…….
a) pulmonary artery
b) femoral artery
c) hepatic artery
d) renal artery
Pulmonary artery carries………..blood.
a) oxygenated
b) deoxygenated
c) mixed
d) waste blood
Pulmonary artery carries deoxygenated blood to…….
a) brain
b) lungs
c) heart
d) kidney
The walls of the arteries are made up of ........... layers.
a) two
b) three
c) four
d) five
Which layer is elastic that allows the artery to expand and withstand the pressure of blood?
a) outer
b) middle
c) inner
d) all
Which one of the following layer of artery is thick?
a) outer
b) middle
c) inner