blood vessels

Question 1

artery

Answer 1

large and elastic vessels carrying blood away from the heart;
thick walls made from elastic smooth muscle and supporting tissues since they are under pressure from the heart pumping

Question 2

arterioles

Answer 2

smaller than arteries;
also made of thick walls from elastic smooth muscle and supporting tissue from the pressure from heart pumping

Question 3

capillaries

Answer 3

very small vessels with walls of 1 cell thick;
sites of material exchange between cells of tissue and blood;
precapillary sphincters control what areas blood flows to as its needed

Question 4

venules

Answer 4

small veins bringing blood back to heart

Question 5

veins

Answer 5

large vessels bringing blood back to heart;
has thin walls of smooth muscle and connective tissue and are under less pressure

Question 6

aorta

Answer 6

largest artery in body
originates in left ventricle
carries all blood from heart to body

Question 7

vena cava

Answer 7

superior: blood from chest, head and arms back to heart
inferior: blood from torso and legs back to heart

Question 8

carotid

Answer 8

blood to head

Question 9

jugular

Answer 9

head blood to heart

Question 10

pulmonary artery

Answer 10

blood to lungs

Question 11

pulmonary veins

Answer 11

lung blood to heart

Question 12

renal artery

Answer 12

blood to kidneys

Question 13

renal vein

Answer 13

kidney blood to heart

Question 14

iliac artery

Answer 14

blood to legs

Question 15

iliac vein

Answer 15

leg blood to heart

Question 16

subclavian artery

Answer 16

blood to arm

Question 17

subclavian vein

Answer 17

arm blood to heart

Question 18

mesenteric artery

Answer 18

blood to intestinves

Question 19

hepatic artery

Answer 19

liver blood from heart

Question 20

hepatic portal vein

Answer 20

intestines to liver

Question 21

hepatic vein

Answer 21

liver to heart

Question 22

coronary artery

Answer 22

to heart muscle;

Question 23

coronary vein

Answer 23

heart muscle to vena cava