Ch. 27 Blood Vessels

Question 1

Carry blood from the heart to the organs of the body and back to the heart

Answer 1

blood vessels

Question 2

The space within the blood vessel

Answer 2

lumen

Question 3

Five types of blood vessels:

Answer 3

Artery
Arterioles
Capillaries
Venules
Vein

Question 4

Carries blood away from the heart (regardless of whether it carries oxygenated or deoxygenated blood)

Answer 4

artery

Question 5

Artery walls are composed of ___ and ___ that allow for carrying a pulse and extension of vessels.

Answer 5

smooth muscles and elastic fibers

Question 6

Small arteries of microcirculation created by the branching or larger arteries

Answer 6

arterioles

Question 7

___ and ___ are located in the walls of arterioles

Answer 7

smooth muscles and elastic fibers

Question 8

Arterioles brach to form ___

Answer 8

capillaries

Question 9

Microscopic connections between arterioles and venules

Answer 9

capillaries

Question 10

What happens at the capillary level ?

Answer 10

Oxygen and nutrients pass from blood into the tissue and Carbon dioxide and waste materials pass from the tissues into the blood

Question 11

Small veins of microcirculation formed by the junction of several capillaries

Answer 11

Venules

Question 12

Vessel formed by the junction of several venules

Answer 12

vein

Question 13

Veins are formed by ____ and carry blood back to the heart

Answer 13

tributaries

Question 14

Veins have a _____ wall than the corresponding artery

Answer 14

thinner

Question 15

Most veins, especially those who carry blood against gravity, contain _____ that allow for the flow of blood only in one direction: toward the heart

Answer 15

one-wat valves

Question 16

Blood moves past the valves via _____

Answer 16

contraction of surrounding muscles.