Overview of the CVS

Question 1

What are the functions of the CVS?

Answer 1

Transport of O2, CO2 and nutrients and metabolites and hormones
Heat regulation

Question 2

Is the cardiovascular system in series or parallel

Answer 2

Series

Question 3

Are the vascular beds in series or parallel

Answer 3

Parallel

Question 4

Why is the CVS in series?

Answer 4

To ensure CO and Cin are equal preventing build up

Question 5

Why are the vascular beds in parallel?

Answer 5

To ensure that all tissues get oxygenated blood

Allow regional redirection of blood

Question 6

What are the features of the aorta?

Answer 6

Elastic artery
Wide lumen
elastic wall dampen pressure variations

Question 7

What are the features of arteries?

Answer 7

Muscular arteries
Wide lumen, non-elastic wall
Low resistant conduit

Question 8

What are the features of arterioles?

Answer 8

Resistant vessels
Narrow lumen, thick contractile wall
Control resistance and flow
Allow regionally redirection of flow

Question 9

What are the features of capillaries?

Answer 9

Exchange vessels

Narrow lumen, thin wall

Question 10

What are the features of veins and venules?

Answer 10

Capacitance vessels
Wide lumen
Low resistance conduit and reservoir