Arteries And Arterioles Flashcards
1
Q
What is the main artery
A
Is the aorta
2
Q
What is the functions of the aorta
A
Carries blood at high pressure from LV
3
Q
What does the arteries sub divide into
A
Arterioles slowing blood flow
4
Q
What is the structure of Arteries
A
Large layer of smooth muscle
Elastic tissue to cushion and smooth the pulsating blood flow
5
Q
What is the structure of arterioles
A
Large layer of smooth muscle allowing both vessels to vasodilate and vasoconstrict
6
Q
What is the function of arterioles
A
Regulates blood flow and controls blood pressure
7
Q
What is the ring of smooth muscle surrounding the capillary bed called
A
Pre-Capillary sphincters
8
Q
What is the function of pre-capillary sphincters
A
Dilate and constrict to control the blood flow through the capillary bed
