Quiz 4 - Ch. 23

Question 1

Circulatory System

Answer 1

Facilitate exchange with all body tissues

Question 2

Open Circulatory System

Answer 2

invertebrates mostly

open-ended vessels present

Question 3

Single Circulatory Loop

Answer 3

fish

Question 4

Closed Circulatory System

Answer 4

earthworms/squids/octopi/vertebrates

blood confined to vessels

Question 5

Double Circulatory Loop

Answer 5

land-dwelling organisms

pulmonary/systemic

Question 6

Vessels

Answer 6

veins and arteries

Question 7

Veins

Answer 7

deoxygenated

toward the heart (except pulmonary)

less smooth muscle

connected by venules

Question 8

Arteries

Answer 8

oxygenated

away from the heart (except pulmonary)

more smooth muscle

no valves

connected by arterioles

Question 9

SA Node

Answer 9

group of cells that are the parameter of the heart

pulse is generated here

Question 10

Heart Attacks

Answer 10

caused by plaque build-up in vessels

Question 11

Epithelium

Answer 11

lines the interior surface of blood vessels

forming an interface between circulating blood and vessel wall

endothelial cells

Question 12

Blood Pressure

Answer 12

force that blood exerts against the walls of your blood vessels

Question 13

Normal Blood Pressure

Answer 13

120/80 or lower

120 = systolic and 80 = diastolic

Question 14

Systolic

Answer 14

pressure when ventricles contract (listed 1st)

Question 15

Diastolic

Answer 15

pressure when ventricles relax (listed 2nd)