The venules unite to form………….
a) arterioles
b) arteries
c) veins
d) all of them
The vessels which carry blood from body to heart are………
a) arterioles
b) arteries
c) veins
d) all of them
Most the veins carry……….blood.
a) oxygenated blood
b) deoxygenated blood
c) mixed blood
d) waste blood
All the veins carry deoxygenated blood except……
a) femoral vein
b) renal vein
c) pulmonary vein
d) vena cava
Pulmonary vein carries oxygenated blood from
a) brain
b) lungs
c) heart
d) kidney
Walls of the vein are made up of………layers.
a) two
b) three
c) four
d) five