veins Flashcards

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

veins

A

transport blood to the heart (usually at low pressure)

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

In contrast, veins receive blood that has passed through …………

blood is at ………… pressure

and must be returned to ………..

A

veins receive blood that has passed through capillary networks; blood is at very low pressure and must be returned to the heart

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

The wall of the vein is relatively

what layers do veins contain

A

thin with thinner layers of collagen, smooth muscle and elastic fibres

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

The lumen of the vein is much larger than that of an artery

which helps

A

ensure it is still transported efficiently as blood moves much slower

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

Veins contain valves that prevent

A

the backflow of blood, helping return blood to the heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly