blood vessels Flashcards
(20 cards)
1
Q
blood vessels fx
A
- deliver oxygen and nutrients to cells
- carry away waste products
- part of maintaining blood pressure
2
Q
types of blood vessels:
A
- arteries
- veins
- capillaries
- arterioles
- venules
3
Q
- carry blood AWAY from the heart
A
arteries
4
Q
- INTO the heart
A
veins
5
Q
- TRANSFER station
A
capillaries
6
Q
- mini arteries that branch out into the capillaries
A
arterioles
7
Q
- smallest vein compenents that suck blood out of the capillaries
A
venules
8
Q
blood vessel layers:
A
- lumen
- tunica intima
- tunica media
- tunica externa/adventitia
9
Q
- holds blood, open space
A
. lumen
10
Q
near lumen, has simple squamous epi tissue, connective tissue, internal elastic membrane which helps blood move without friction
A
tunica intima
11
Q
made of smooth muscle cell and sheeths of external elastic membrane which CONTRACTS and DILATES
A
tunica media
12
Q
- loosely woven collagen fiber, protects and reinforces blood vessels
A
tunica externa/adventitia
13
Q
- exchange nutrients
- help regulate blood pressure
- play a role in thermoregulation
A
capillary beds
14
Q
three types of capillaries:
A
- continuous
- fenestrated
- discontinuous/sinusoidal
15
Q
- available for gas exchange
A
. continuous
16
Q
open diaphragm
A
fenestrated
17
Q
- have large spaces/cleft where protein and blood can pass thru
A
discontinuous/sinusoidal
18
Q
wall of an artery and vein:
A
- vein
- artery
- nerve fascicle
19
Q
- simple squamous epi
A
vein/artery
20
Q
- composed of axons surrounded by endoneurium and perineurium
A
nerve fascicle
