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Flashcards in Chapter 35 Deck (61):
1

Cardiovascular system

a collection of organs that transport blood throughout the body

-made up of heart, blood vessels, and blood

2

a chamber that receives blood that is returning to the heart

atrium

3

one of the two large, muscular chambers that pump blood out of the heart

ventricle

4

the rhythmic pressure of the blood against the walls of a vessle, particularly an artery

pulse

5

a blood vessel that carries blood away from the heart to the body's organs

artery

6

a tiny blood vessel that allows an exchange between blood and cells in tissue

capillary

7

a vessel that carries blood to the heart

vein

8

the liquid component of blood

plasma

9

a disc-shaped cell that has no nucleus, that contains hemoglobin, and that transports oxygen in the circulatory system

red blood cell (RBC)

10

a type of cell in the blood that destroys pathogens and helps the body develop immunities

white blood cell (WBC)

11

a fragment of a cell that is needed to form blood clots

platelet

12

the force that blood exerts on the walls of the arteries

blood pressure

13

the death of heart tissue due to a blockage of their blood supply

heart attack

14

a sudden loss of consciousness or paralysis that occurs when the blood flow to the brain is interrupted

stroke

15

the hardening and narrowing of the arteries

arteriosclerosis

16

the passage from the mouth to the larynx and esophagus

pharynx

17

the area of the throat that contains the vocal cords and produces vocal sounds

(a.k.a. voice box)

larynx

18

the tube that connects the larynx to the lungs

trachea

19

one of the two tubes that connect the lungs with the trachea

bronchus

20

any of the tiny air sacs of the lungs where oxygen and carbon dioxide are exchanged

alveolus

21

a dome-shaped muscle that is attached to the lower ribs and that functions as the main muscle in respiration

diaphragm

22

What type of vessel leads away from the heart?

artery

23

What circuit (or loop) carries blood between the heart and lungs?

pulmonary

24

Which part of the blood carries oxygen?

red blood cells

25

What is the top number on the blood pressure reading?

systolic

26

What are the upper chambers of the heart called?

atria

27

What is also known as the voice box?

larynx

28

What is the liquid part of the blood?

plasma

29

Which muscle is most important for breathing?

diaphragm

30

What is the #1 cause of death in the United States?

cardiovascular disease

31

What condition occurs when a blood vessel supplying the brain id blocked?

stroke

32

Which part of the blood helps to stop blood loss?

platlets

33

When a person's blood pressure is above 120/80 they have...

hypertension

34

Steps of the respiratory system?

mouth
pharynx
larynx
trachea
bronchi
bronchioles
alveoli
capillaries

35

the circulatory system

heart
arteries
arterioles
capillaries
venules
veins

36

Steps of the blood flow through the heart and body

right atrium
right ventricle
pulmonary artery
lungs
pulmonary veins
left atrium
left ventricle
aorta

37

Where are nutrients and oxygen exchanged between the blood and tissues?

a. veins
b. venules
c. arteries
d. capillaries

38

Which of these disorders is common among smokers?

lung cancer

39

What wall divides the left ventricle from the right ventricle?

septum

40

What part of the heart prevents back flow of blood?

valves

41

What are the air sacs in the lungs?

a. trachea
b. alveoli
c. bronchi
d. bronchioles

42

What can decrease risk for cardiovascular disease?

healthy diet
exercise
don't smoke

43

What is normal blood pressure?

120/80

44

What is a part of inhalation?

-diaphram contracts
-increase chest volume
-external air rushes in

45

What is part of exhalation?

-diaphragm relaxes
-decrease volume of chest
-air forced out of lungs

46

Which is the only artery that contains oxygen-poor blood?

pulmonary

47

The trachea splits into...

bronchi

48

Which part of the blood helps fight infections?

White blood cells

49

The heart vessels, and blood make up the __ system

cardiovascular

50

which parts of the heart signals the heart to beat?

ventricles

51

What part of the heart pumps blood out of the heart?

ventricles

52

Smoking increases the risk of ...

-stroke
-emphysema
-arteriosclerosis
-lung cancer
and more

53

vessels which carry blood away from the heart

arteries

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vessels which carry blood toward the heart

veins

55

tiny blood vessels with walls that are only one cell thick

capillaries

56

thick wall that divides the heart into two sides

septum

57

upper chambers of the heart that recieve blood

atria

58

lower chambers of the heart that pump blood out of the heart

ventricles

59

valve between right atrium and right ventricle

tricuspid

60

the only artery in the body rich in carbon dioxide

puliminary

61

the only vein in the body rich in oxygen

pulminary