Overview of the Function of Cardiovascular System

Question 1

How are the pumps arranged in the CVS?

Answer 1

In series

Question 2

How are the vascular beds arranged in the CVS?

Answer 2

In parallel

Question 3

How is the beds being arranged in parallel helpful?

Answer 3

Allows for regional redirection of blood flow

Question 4

Describe the aorta vessels?

Answer 4

Large, thick walls
Elastic arteries
Wide lumen, elastic wall
Damp pressure variations

Question 5

Describe artery vessels?

Answer 5

Small, thick wall
Wide lumen, strong non-elastic wall
Low resistance conduit

Question 6

Describe arteriole vessels?

Answer 6

Tiny, very thick wall
Resistance vessels
Narrow lumen, thick contractile wall
Allow regional redirection of blood

Question 7

Describe capillary vessels?

Answer 7

Very tiny, very thin
Exchange vessels
Narrow lumen, thin wall

Question 8

Describe venue and vein vessels?

Answer 8

Small and thin, Large and thin
Capacitance vessels 
Wide lumen, distensible wall
Low resistance conduit and reservoir 
Allows fractional distribution of blood between veins and rest of circulation

Question 9

What separates the left and right side of the heart?

Answer 9

The septum

Question 10

Why is the left sided heart muscle thicker?

Answer 10

Cause the left side does more work

Question 11

What side is the mitral valve on and what is its function?

Answer 11

Left - separates left atrium and ventricle