blood vessel

Question 1

Name the two types of arteries

Answer 1

Elastic (conducting)
Muscular(distributing)

Question 2

Arteries carry blood

Answer 2

away from the heart

Question 3

Arterioles

Answer 3

smallest branches of arteries

Question 4

Capillaries (aka exchange vessels)

Answer 4

smalles blood vessels

Question 5

Venules

Answer 5

collect blood from capillaries

Question 6

Veins (aka capacitance vessels)

Answer 6

return blood to heart

Question 7

Blood vessel layers

Answer 7

Tunica intima, media, externa

Question 8

Tunica intima (inner layer)

Answer 8

Inludes:
- Endolthelial lining
- connective tissue layer
-internal elastic membrane
- In arteries, is a layer of elastic fibers in outer margin of tunica intima

Question 9

Tunica media (middle layer)

Answer 9

• sheets of smooth muscle in loose connecctive tissue
  -Binds to inner and outer layers
  -external elastic membrane of the tunica media
  seperates tunica media from tunica externa

Question 10

Tunica externa (outer layer) generally have which fibers?

Answer 10

anchors vessel to adjacent tissues in arteries
- collegen fibers
- elastic fibers

Question 11

Tunica externa in veins

Answer 11

-elastic fibers
- smooth muscle fibers

Question 12

Tunica externa has small___ and____

Answer 12

arteries and veins

Question 13

Tunica externa is found in walls of

Answer 13

large arteries and veins

Question 14

Tunica externa supply cells of

Answer 14

tunica media and externa

Question 15

arteries and veins run

Answer 15

side by side