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 is called the _.

Answer 2

lumen

Question 3

5 types of blood vessels:

Answer 3

Arteries
Arterioles
Capillaries
Venules
Veins

Question 4

T/F An artery can only ever carry oxygenated blood

Answer 4

False
ex) pulmonary artery

Question 5

Artery walls are composed of _ _ and _ _ to allow for carrying a pulse and extension of the vessels.

Answer 5

smooth muscle
elastic fibers

Question 6

_ are small arteries of microcirculation created by branching of larger arteries

Answer 6

Arterioles

Question 7

Arterioles branch out further and form _.

Answer 7

capillaries

Question 8

Capillaries are microscopic connections between _ and _.

Answer 8

arterioles and venules

Question 9

Gas and nutrient/waste exchange happens in tissues at the _ level.

Answer 9

Capillary

Question 10

_ are small veins of microcirculation formed by the junction of several capillaries.

Answer 10

Venules

Question 11

A vein is a vessel formed by the junction of several _.

Answer 11

venules

Question 12

Veins are formed by _ and have a _ wall than their corresponding artery.

Answer 12

tributaries
thinner

Question 13

Veins possess unidirectional _ to help against gravity in the delivery of blood back to the heart

Answer 13

valves

Question 14

In veins, blood moves past the valves via _ of surrounding _.

Answer 14

contraction
muscles

Question 15

There is a small amount of _ _ and _ _ in veins but not nearly as much as in arteries and arterioles.

Answer 15

smooth muscle
elastic fiber