intro to lymphatics

Question 1

arteries

Answer 1

transport blood away from the heart

Question 2

characteristics of arteries

Answer 2

thick walls (can withstand high pressure of blood ejected from heart)

Question 3

veins

Answer 3

transports bloods towards the heart

Question 4

characteristics of arteries

Answer 4

thin walls (large and irregular lumens)

Question 5

capillaries

Answer 5

connect arteries and veins

Question 6

characteristics of capillaries

Answer 6

where oxygen, nutrients, and waste are exchanged within tissues

Question 7

walls of blood vessels

Answer 7

tunica intima
tunica media
tunica externa

Question 8

tunica intima of arteries

Answer 8

inner endothelial linings

Question 9

tunica media of arteries

Answer 9

numerous layers of smooth muscle and elastic fibers

Question 10

tunica externa (adventitia) of arteries

Answer 10

outer connective tissue layer

Question 11

tunica intima of veins

Answer 11

inner endothelial lining folded to form valves

Question 12

tunica media of veins

Answer 12

limited layers of smooth muscle and elastic fibers

Question 13

tunica externa (adventitia) of veins

Answer 13

thick outer connective tissue layer

Question 14

most common circulatory route

Answer 14

heart –> arteries –> arterioles –> capillary bed –> venules –> veins –> heart

Question 15

portal system

Answer 15

blood flows through to consecutive capillary beds before returning to the heart

Question 16

where are portal systems

Answer 16

between the intestines and liver

anterior pituitary

Question 17

where are lymph nodes found

Answer 17

near mammary glands, axilla, and groin