5- Blood Vessels Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what types of blood vessels are there?

A

ARTERIES carry blood away from the heart
VEINS carry blood into the heart
CAPILLARIES join arteries to veins.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what do arteries have?

A

a thick wall and a small lumen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what do veins have?

A

a thin wall and larger lumen. they also have valves along their length to stop blood flowing backwards because the blood in the veins is not coming from the heart, so it is not under any pressure.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

how often does the heart approximately beat?

A

72 times a minute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly