SAC3

Question 1

arteries structure

Answer 1

thick muscular wall

small lumen

Question 2

arteries function

Answer 2

carry blood away from the heart

at a high pressure, rapid blood flow

Question 3

arterioles structure

Answer 3

smaller lumen
further from the heart
branch off of arteries

Question 4

arterioles function

Answer 4

direct oxygenated blood to the capillaries

Question 5

capillaries structure

Answer 5

single layer of smooth muscle cells

Question 6

capillaries function

Answer 6

diffusion of nutrients and waste from blood tissue

Question 7

veins structure

Answer 7

large lumen
one way valves
thin, floppy walls

Question 8

veins function

Answer 8

carry deoxygenated blood back to the heart
at low pressure and slow blood flow
travel in one direction

Question 9

venules structure

Answer 9

capillaries converge into venules which converge into veins

Question 10

venules function

Answer 10

direct deoxygenated blood from a capillary to a vein

Question 11

systemic circulation

Answer 11

oxygenated blood from heart to body tissue

deoxygenated blood from tissues to heart

Question 12

pulmonary circulation

Answer 12

deoxygenated blood from heart to lungs

oxygenated blood from lungs to the heart