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PHA BLK 2 > Respiratory & Cardiovascular Systems > Flashcards

Respiratory & Cardiovascular Systems Flashcards

1
Q

what is the function of the respiratory system?

A

to supply the body with oxygen
dispose of carbon dioxide

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2
Q

what are the organs of the upper respiratory system?

A

mouth/nose
pharynx
larynx

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3
Q

describe the function of the mouth/nose

A

warms/adds moisture to air
filters/clean air

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4
Q

describe the function of the pharynx

A

“the throat”
connects the nasal cavity to the larynx

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5
Q

describe the function of the larynx

A

“voice box”
between the tongue/trachea where vocal cords are

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6
Q

what are the lower respiratory organs?

A

trachea
lungs
bronchi
bronchioles
alveoli
diaphragm

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7
Q

describe the function of the trachea

A

“windpipe”
conducts air between the larynx/lungs

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8
Q

describe the function of the lungs

A

“main organ”
brings oxygen into body and to remove carbon dioxide

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9
Q

describe the function of the bronchi

A

air passages of the lungs that diverge from the trachea

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10
Q

describe the function of alveoli

A

air exchange happens between CO2/O2

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11
Q

describe the function of the diaphragm

A

“major muscle aiding in respiration”
separates abdominal/thoracic cavities
works opposite from the lungs

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12
Q

describe the respiratory process

A

Ventilation: the exchange of air
-diffusion: movement of molecules from high to low
Breathing
-inhalation
-exhalation
Circulatory system

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13
Q

what is the function of the cardiovascular system?

A

transport nutrients, oxygen, hormones to cell tissues via the blood

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14
Q

what are the chambers of the heart?

A

R/L atria: receiving chambers
R/L ventricle: discharging chambers

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15
Q

describe the role of the right atrium

A

the blood returning to this atrium is DEOXYGENATED

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16
Q

describe the role of the left atrium

A

receives newly oxygenated blood from the lungs

17
Q

describe the role of the right ventricle

A

receives deoxygenated blood from the right atrium
pumps it into the lungs for re-oxygenation/removal of CO2

18
Q

describe the role of the left ventricle

A

receives oxygenated blood from the left atrium
pumps blood into the aorta to different organs of the body

19
Q

what is the purpose of blood vessels?

A

carry blood throughout the body/cells
composed of smooth,, involuntary muscles

20
Q

describe the role of arteries

A

carry oxygenated blood AWAY from the heart
exception is pulmonary artery

21
Q

describe the role of capillaries

A

exchange nutrients, gases, waste between blood and tissue cells
connects arteries/veins

22
Q

describe the role of veins

A

carry deoxygenated blood back to the heart
exception is the pulmonary vein

PHA BLK 2 (10 decks)

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