Cardiovascular System 3

Question 1

Largest artery

Answer 1

Aorta

Question 2

Arteries subdivide into vessels that eventually become…

Answer 2

Arterioles

Question 3

Control the flow of blood into microscopic exchange vessels

Answer 3

Arterioles

Question 4

Microscopic exchange vessels

Answer 4

Capillaries

Question 5

Place between the capillaries and venules

Answer 5

Capillary beds

Question 6

What the capillary beds empty into

Answer 6

Venules

Question 7

Venules eventually become

Answer 7

Veins

Question 8

Outter layer of veins and arteries

Answer 8

Tunica externa

Question 9

Tunica externa is made of what material

Answer 9

Connective tissue fibers

Question 10

Middle layer of veins and arteries

Answer 10

Turnica media

Question 11

Tunica media is made of what type of tissue

Answer 11

Smooth muscle tissue

Question 12

Where is the tunica media thicker

Answer 12

Arteries

Question 13

Lines the arteries and veins

Answer 13

Tunica intima

Question 14

Tunica intima is made of

Answer 14

Endothelial cells

Question 15

Tunica intima is actually a single layer of squamous cells called

Answer 15

Endothelium

Question 16

Guard the entrances to the capillaries and determine how much blood will flow into each capillary

Answer 16

Pre capillary sphincter a

Question 17

Hepatic portal circulation

Answer 17

Route of blood flow through the river

Question 18

Ductus venosus

Answer 18

Continuation of the umbilical vein that serves as a shunt that bypasses the fetuses immature liver and empties directly into the inferior vena cava

Question 19

Foramen ovale

Answer 19

Shunts blood from the right atrium directly into the left atrium in a fetus

Question 20

Ductus arteriosus

Answer 20

Connects the aorta and pulmonary artery in a fetus

Question 21

Large distribution vessels

Answer 21

Arteries