10.3 Quiz (10.2.3) (23/8/21)

What is the function of valve in vein?

• increase the size of lumen

• slow down the blood flows in the vein

• prevent backflows of the blood

• decrease blood pressure in vein

Blood vessels that channel nutrient and oxygen to the heart is.......

• coronary artey

• tricuspid valve

• pulmonary artery

• vena cava

Which of the following blood vessel has the thickest and most muscular walls?

• Pulmonary artery

• Coronary artery

• Aorta

• Arteriole

Why artery has the thick and muscular wall?

• To generate high pressure of blood

• To withstand high pressure of blood

• To ensure the blood flows in one direction

• To prevent blood clot formation

Blood vessel that transports deoxygenated blood from the whole body back into heart.

• Pulmonary artery

• Vena cava

• Pulmonary Vein

• Vein vessel

Which of the following blood vessel is one cell think only?

• Arterioles

• Artery

• Veins

• Capillaries

• Venule

Tick the characteristics of capillaries.

• one cell thick

• contained mixture of blood

• contain valve

• occurs diffusion of material

• blood flows under high pressure

What are the characteristics of artery?

• Thin and less elastic wall

• Thin and Muscular wall

• Strong and elastic wall

• Have no valve

• Thick and Muscular wall

What is the difference of artery and vein?

• Both have same size of lumen

• Artery have high pressured blood flows

• Both have valve in the vessel

• Vein have big lumen

• Both have elastic muscular wall of vessel

Label the picture of cross section of blood vessel.

What is (a) ?