Cardiovascular and Respiratory Systems

Question 1

what is the cardiovascular system composed over?

Answer 1

1. heart
2. blood vessels
3. blood

Question 2

what is the function of the cardiovascular system?

Answer 2

1. delivery of o2, fuel and nutrients to the tissues of the body
2. removal of co2 and waste products from the tissues

Question 3

define pulmonary circulation

Answer 3

main function of the right side of the heart is to pump deoxygenated blood, which has just returned to the heart, to the lungs

Question 4

define systematic circulation

Answer 4

which carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart

Question 5

what is the difference between arteries and veins?

Answer 5

arteries carry blood away from the heart, whereas veins carry blood towards the heart

Question 6

what are arterioles?

Answer 6

vessels in the blood circulation system that branch out from arteries and lead to capillaries, where gas exchange eventually occurs

Question 7

what are capillaries?

Answer 7

the smallest of blood vessels. help to enable the exchange of ___________ between blood and the tissues in our body

Question 8

what are the three main functions of the respiratory system?

Answer 8

1. supply o2 to the blood
2. remove co2 from blood
3. regulate blood pH