Arteries Carry Blood Under Pressure Flashcards
1
Q
Why are the artery walls strong and elastic?
A
The heart pumps blood out at high pressure
2
Q
What are the walls thick compared to?
A
The size of the hole down the middle ‘lumen’
3
Q
What do the walls contain?
A
Thick layers of muscle to make them strong
4
Q
What is the largest artery in the body?
A
The aorta
