The Cardiovascular System

Question 1

What are the 3 components?

Answer 1

Heart,blood, blood vessels (arteries, veins, capillarys),

Question 2

What is the main function of the cardiovascular system?

Answer 2

To deliver oxygen to working muscles and remove waste products ie: carbon dioxide
And to return blood to the lungs for oxygenation.

Question 3

What is the main function of arteries?

Answer 3

Take oxygenated blood away from the heart, thick smooth muscle layer.

Question 4

What is the main function of veins?

Answer 4

Take deoxygenated blood back to the heart, thin muscle wall, low pressure

Question 5

What is the main function of capillary’s?

Answer 5

Enable the exchange if water, carbon dioxide, oxygen and other waste substances, 1 cell thick

Question 6

Define vasoconstriction:

Answer 6

Blood vessel getting smaller

Question 7

Define vasodilation:

Answer 7

Blood vessel getting bigger

Question 8

Define vascular shunt:

Answer 8

Transporting blood to the areas that need it during any sort of daily activity such as eating

Question 9

Define gaseous exchange:

Answer 9

Oxygen moves from the lungs to the bloodstream, carbon dioxide passes from the blood to the lungs. Move from a high to low concentration.