Vessels and cardiovascular

Question 1

purpose of arteries

Answer 1

carry blood away from the heart

Question 2

purpose of veins

Answer 2

drain the tissues and return blood to the heart

Question 3

what are arterioles?

Answer 3

baby artery away from the heart

Question 4

what arevenules?

Answer 4

baby veins awayfrom the heart

Question 5

what is the inner layer of blood vessel called and its purpose?

Answer 5

tunica intima
- lines the whole of the vessel
- endothelium, simple squamous

Question 6

what is the middle layer of blood vessel called and its purpose?

Answer 6

tunica media
- smooth muscle and elastic
- regulates diameterof blood vessels

Question 7

what is the outside layer of blood vessel called and its purpose?

Answer 7

tunica externa
- areolar of fibrous connective tissue
- vasa vasorum: arteries close to the heart

Question 8

what is the relationship between arteries and veins?

Answer 8

arteries are thicker than veins

Question 9

what is the first sound of heart?

Answer 9

s1 lub// closure of av valves

Question 10

what is the second sound of heart?

Answer 10

s2 dub// closure of semilunar valves

Question 11

how do you find pulse pressure?

Answer 11

systolic minus diastolic pressure

Question 12

what is pulse rate the same as?

Answer 12

heart rate