Circulatory System Functions Quiz

Question 1

Systemic Circulation

Answer 1

delivers blood to all body cells and carries away waste

Question 2

Pulmonary Circulation

Answer 2

eliminates carbon dioxide and oxygenates blood

Question 3

Mediastinum

Answer 3

area where the heart is located in the thorax

Question 4

Atria

Answer 4

thin upper chambers of the heart that receive blood returning to the heart though the veins

Question 5

Ventricles

Answer 5

thick muscular lower chambers of the heart, receive blood and then pump it out of the heart through arteries

Question 6

Superior Vena Cava

Answer 6

return blood to the right atrium

Question 7

Inferior Vena Cava

Answer 7

pumps blood to the right atrium

Question 8

Right Atrium

Answer 8

receive blood returning to the heart through veins

Question 9

Tricuspid Valve

Answer 9

in between the right atrium and ventricle

Question 10

Right Ventricle

Answer 10

pumps blood to the lungs through the pulmonary arteries

Question 11

Pulmonary Valve

Answer 11

between the right ventricle and the pulmonary trunk

Question 12

Pulmonary Trunk

Answer 12

carries oxygen-poor blood to the pulmonary arteries from the right ventricle

Question 13

Pulmonary Arteries

Answer 13

carries oxygen-poor blood to the lungs from the right ventricle

Question 14

Lungs

Answer 14

process of gas exchange

Question 15

Pulmonary Veins

Answer 15

carries oxygen-rich blood from the lungs to the left atrium

Question 16

Left Atrium

Answer 16

pumps blood to the left ventricle

Question 17

Bicuspid Valve

Answer 17

in between the left atrium and ventricle

Question 18

Left Ventricle

Answer 18

pumps blood to the aorta to be distributed to the body

Question 19

Aortic Valve

Answer 19

between the left ventricle and the aorta, prevents backflow

Question 20

Aorta

Answer 20

carries blood away from the heart to the rest of the body

Question 21

Base

Answer 21

where the heart sits/lays, blunt end

Question 22

Apex

Answer 22

the point at the bottom of the heart

Question 23

Epicardium

Answer 23

outermost layer of the heart

Question 24

Myocardium

Answer 24

middle, muscle layer

Question 25

Endocardium

Answer 25

inner layer that touches the blood

Question 26

Atrioventricular Groove

Answer 26

junction of the right atrium and the right ventricle

Question 27

Chordae Tendineae

Answer 27

"heart strings" & attachments on the valves

Question 28

Papillary Muscles

Answer 28

located in the ventricles of the heart, attach to the cusps of the atrioventricular valves via the chordae tendineae and contract to prevent inversion or prolapse

Question 29

Interventricular Septum

Answer 29

separates the two ventricular chambers

Question 30

Auricles

Answer 30

structures on the atria that look like two earlike flaps

Question 31

Left and Right Coronary Arteries

Answer 31

supply blood to the myocardium, arises from the ascending aorta

Question 32

Pericardium

Answer 32

encloses the heart, 2 layers

Question 33

Visceral Pericardium

Answer 33

inner layer of pericardium

Question 34

Parietal Pericardium

Answer 34

outer layer of pericardium

Question 35

Interventricular Groove

Answer 35

separates the right ventricle from the left ventricle

Question 36

Coronary Sinus

Answer 36

large venous chamber that carries blood from the cardiac veins to the right atrium

Question 37

Vein

Answer 37

returns oxygen-poor blood to the heart, thin walled

Question 38

Venule

Answer 38

small vein that collects blood from capillaries

Question 39

Artery

Answer 39

carries oxygen rich blood from the heart, thick walled

Question 40

Arteriole

Answer 40

very small artery that delivers blood to the capillaries