cardiovascular system

Question 1

arteries

Answer 1

vessels that cary blood away from the heart

Question 2

blood vessels

Answer 2

transport blood

Question 3

capillaries

Answer 3

deliver blood to all of the body

Question 4

deoxgenated

Answer 4

body to right chamber of lungs to lung

Question 5

heart

Answer 5

muscular pump that forces blood around the body

Question 6

oxygen

Answer 6

air we need to breathe

Question 7

oxygenated

Answer 7

lung to left chamber of the heart to body

Question 8

pulmonary circulation

Answer 8

between heart and lungs, deoxygenated blood to lungs to get oxygen and then back to heart

Question 9

systemic circulation

Answer 9

oxygenated blood away from heart to tissues

Question 10

veins

Answer 10

vessels that bring blood to the heart

Question 11

size of the heart

Answer 11

about the size of a fist

Question 12

how many chambers does the heart have

Answer 12

4 chambers

Question 13

location of heart

Answer 13

directly behind spetum

Question 14

apex

Answer 14

tip of the heart

Question 15

endocardium

Answer 15

inner layer of the heart lining

Question 16

myocardium

Answer 16

thick muscular middle layer

Question 17

pericardium

Answer 17

double layered pleural sac

Question 18

atria

Answer 18

receiving chambers of the heart

Question 19

ventricles

Answer 19

pumping chambers

Question 20

tricuspid valve

Answer 20

controls the opening between the right atrium and the right ventricle

Question 21

pulmonary valve

Answer 21

this valve prevents blood that has been ejected into the pulmonary artery from returning to the right ventricle as it relaxes

Question 22

mitral valve

Answer 22

Blood flows through this atrioventricular valve to the left ventricle and cannot go back up into the left atrium

Question 23

aortic valve

Answer 23

Blood leaves the left ventricle through this valve and cannot return to the left ventricle

Question 24

blood pressure

Answer 24

a measurement of the force exerted by blood against the wall of a blood vessel.

Question 25

pulse

Answer 25

felt at the wrist or throat is the surge of blood caused by the heart contraction

Question 26

primary functions

Answer 26

To provide oxygen to body tissues for cellular respiration
Remove the waste product carbon dioxide
Help to maintain acid-base balance

Question 27

secondary functions

Answer 27

Sensing odors

Speech production

Question 28

conducting zones

Answer 28

moves air in and out of lungs

Question 29

respiratory zone

Answer 29

moves gases in and out lungs

Question 30

nose

Answer 30

surface and skeletal structures

Question 31

pharynx

Answer 31

The human pharynx (plural: pharynges) is the part of the throat situated immediately posterior to the mouth and nasal cavity, and superior to the esophagus and larynx.

Question 32

larynx

Answer 32

is the cartilaginous structure that connects the pharynx to the trachea and helps regulate the volume of air that enters and leaves the lungs.

Question 33

trachea

Answer 33

is a tube that connects the pharynx or larynx to the lungs, allowing the passage of air.

Question 34

Alveolar duct

Answer 34

is a tube composed of smooth muscle and connective tissue, which opens into a cluster of alveoli.

Question 35

Alveolus

Answer 35

is one of the many small, grape-like sacs that are attached to the alveolar ducts.

Question 36

Alveolar sac

Answer 36

is a cluster of many individual alveoli that are responsible for gas exchange.