Arteries divide and re-divide to form narrow and thinner walled blood vessels called……..
a) Villi
b) Veins
c) Capillaries
d) none of these
Which of the following take waste materials and carbon dioxide from the cells and tissues to the veins?
a) Villi
b) Veins
c) Capillaries
d) none of these
Which of the following vessels take the blood carrying waste materials and carbon dioxide from the capillaries to the heart?
a) Arteries
b) Veins
c) Capillaries
d) Villi
All veins carry deoxygenated blood to the heart except the…………which carries oxygenated blood from the lungs to the heart.
a) pulmonary vein
b) superior vena cava
c) inferior venae cava
d) all of these
Heart is also called………..
a) Muscular Pump
b) Pumping device
c) Pumping machine
d) none of these
Oxygen is taken from……..
a) Cells to lung
b) Heart to lungs
c) Lungs to cell
d) none of these
