unit 20

Question 1

circulatory system

Answer 1

blood, blood vessels, and heart

Question 2

blood

Answer 2

fluid that flows to all parts of the body to nourish cole with food substances and oxygen to carry away waste

Question 3

plasma

Answer 3

liquid part of blood without cellular elements

Question 4

red blood cell

Answer 4

carry oxygen

Question 5

white blood cell

Answer 5

fight infection

Question 6

blood components

Answer 6

plasma wbc rbc

Question 7

blood vessels

Answer 7

carrie’s blood to heart and organs

Question 8

typed of blood vessels

Answer 8

arteries, veins, capillaries

Question 9

arteries

Answer 9

thick elastic tubes that carry oxygenated blood AWAY

Question 10

artery exception

Answer 10

pulmonary

Question 11

vein

Answer 11

thin walled vessel that carry deoxygenated blood BACK

Question 12

vein exception

Answer 12

pulmonary

Question 13

capillary

Answer 13

connect veins and arteries, exchange happens

Question 14

normal bpm

Answer 14

60-100

Question 15

coronary artery

Answer 15

brings oxygen to the heart

Question 16

pericardium

Answer 16

double layer membrane outside the heart

Question 17

myocardium

Answer 17

thickest layer, muscle

Question 18

endocardium

Answer 18

smooth lining of the heart

Question 19

septum

Answer 19

decides cavity into right and left

Question 20

upper chambers

Answer 20

atriums

Question 21

lower chambers

Answer 21

ventricles

Question 22

sa node

Answer 22

pacemaker of the heart, in upper right atrium

Question 23

av node

Answer 23

carry’s electrical signals down to purkinje fibers

Question 24

purkinje fibers

Answer 24

cause’s ventricles to contract

Question 25

vena cava

Answer 25

largest veins

Question 26

triscupid

Answer 26

prevents blood from going back to the right aorta

Question 27

arteriosclerosis

Answer 27

thick and hard arterial walls

Question 28

aneurism

Answer 28

section in the wall of a blood vessel

Question 29

heart attack

Answer 29

coronary arteries are blocked

Question 30

endocarditis

Answer 30

inflammation of the inner lining of the heart

Question 31

congestive heart failure

Answer 31

enlarged heart, can’t pump enough blood

Question 32

cerebral vascular accident

Answer 32

stroke caused by blockage or rupturing of arteries in

Question 33

bradycardia

Answer 33

slow heart rate

Question 34

pulse

Answer 34

heartbeats per minute, contraction of arteries

Question 35

where do you feel a pulse

Answer 35

where an artery crosses over a bone

Question 36

arrhythmia

Answer 36

irregular heartbeat

Question 37

radial

Answer 37

base of thumb and wrist

Question 38

apical

Answer 38

bottom tip of the heart

Question 39

femoral

Answer 39

groin

Question 40

brachial

Answer 40

arm