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BIOLOGY 3rd Quarter > Respiratory System > Flashcards

Respiratory System Flashcards

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0
Q

Air moves in and out of lungs

A

Pulmonary ventilation

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1
Q

Main function of Respiratory system

A

To supply oxygen to all parts of the body

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2
Q

Gas exchange between blood and air at alveoli

A

External respiration

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3
Q

Gas exchange in capillaries between blood and tissue cells

A

Internal respiration

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4
Q

This compound diffuses into air during external respiration and into blood during internal respiration

A

CO2

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5
Q

Divisions of respiratory organs

A

Conducting zone and respiratory zone

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6
Q

This zone includes all organs of the respiratory system except alveoli and bronchioles

A

Conducting zone

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7
Q

This organ provides airway and filters air

A

Nose

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8
Q

Lining of nasal cavity which is above the nostrils and filters large particulars

A

Vestibule

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9
Q

Pseudostratified underlying connective tissue

A

Respiratory Mucosa

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10
Q

Cells in respiratory mucosa

A

Mucous and serous cells

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11
Q

Cell in respiratory mucosa that secretes mucous

A

Mucous cells

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12
Q

Increases turbulence of air

A

Nasal conchae

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13
Q

Lightens the skull

A

Paranasal sinuses

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14
Q

Houses tonsils

A

Pharynx

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15
Q

Parts of pharynx

A

Naso-
Oro-
Laryngo-

16
Q

Voicebox

A

Larynx

17
Q

Keeps food out of respiratory tract

A

Epiglottis

18
Q

Windpipe and passageway to the lungs of air

A

Trachea

19
Q

Point where trachea branches

A

Carina

20
Q

Site of gas exchange

A

Respiratory zone

21
Q

Detergent-like substance coating alveolar surfaces which decreases tension

A

Surfactant

22
Q

The no. of bronchioles on the left and right

A

3 on the right, 2 on the left

23
Q

Number of alveoli in the bronchi

A

3 million

24
Q

Flattened sac of serous membrane

A

Pleura

25
Q

Layers of pleura

A

Parietal pleura and viscera pleura

26
Q

Outer layer of pleura

A

Parietal pleura

27
Q

Layer of pleura which is directly on lungs

A

Viscera pleura

28
Q

Happens between lungs and cells of body which is performed by cardiovascular system

A

Transport of respiratory gases

BIOLOGY 3rd Quarter (2 decks)

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