Blood Vessels and Lymphatic System Flashcards Preview

BIO 205 pt 3 > Blood Vessels and Lymphatic System > Flashcards

Flashcards in Blood Vessels and Lymphatic System Deck (15):
1

structures that carry blood from the heart to the organs of the body and back to the heart again

blood vessels

2

the space within the blood vessel

lumen

3

________: a vessel that carries blood away from the heart (regardless of whether it carries oxygenated or deoxygenated blood)
walls are composed of __________ and ________ that allow for the extension of the vessels and the carrying of a pulse

artery
smooth muscle, elastic fibers

4

__________: small arteries that arise via branching of large arteries
_________ and _______ are also located in these walls
branch to form _______

arterioles
smooth muscle, elastic fibers
capillaries

5

__________: connections between arterioles and venules
it is at this level where _______ and ______ pass from the blood into the tissues and where _______ and _______ pass from the tissues into the blood

capillaries
oxygen, nutrients
carbon dioxide, waste materials

6

_______: small veins formed by the junction of a number of capillaries

venules

7

________: a vessel formed by the junction of venues
have _____ walls than arteries
in certain _______, especially those that cary blood against gravity, they contain _______ that allow for the flow of blood in only 1 direction, towards the _______

vein
thicker
veins, valves, heart

8

fluid filtered out of blood capillaries each day exceeds that reabsorbed
this excess is returned to the blood via _______

lymphatic system
lymphatics

9

the capillaries that pick up this lymph fluid are called __________ and they differ than blood capillaries in that they are endothelial tubes that begin blindly
they are not __________
they will conduct the excess fluid called _____ toward the _______
as they do this a number of them will join to form an ___________

lymphatic capillaries
open at both ends
lymph, veins
afferent lymphatic vessel

10

afferent lymphatic vessels convey lymph to ________ which function in filtering the lymph
each one has a _____ and ____, through which the lymph will filter

lymph nodes
cortex, medulla

11

leaving the lymph node will be several ___________ that also contain valves
they will pas the lymph to the venuous system

efferent lymphatic vessels

12

_________: drains the right half of the head, neck, chest, and right upper limb

right lymphatic duct

13

_________: drains the rest of the body

thoracic duct

14

the right lymphatic duct drains into the ________________ and the thoracic duct drains into the ____________

right brachiocephalic vein,
left brachiocephalic vein

15

lymph nodes are prevalent in the following regions:

neck, axilla, inguinal region