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Flashcards in 16 - The Respiratory System Deck (57)
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Small sacs in the lungs that fill with air from the alveolar ducts (singular alveolus).

Alveoli

1

The larger air passages in the lungs.

Bronchi

2

A tiny branch of the bronchi that connects to the alveoli.

Bronchiole

3

The outer curved part of the nasal cavities that acts as a filter for dust, and to warm and moisten the incoming air.

Choana

4

A dome-shaped muscle between the thoracic and abdominal cavities; controls regular, relaxed breathing by contracting and relaxing.

Diaphragm

5

A cartilaginous flap above the glottis that closes while food or liquid is passing through the pharynx.

Epiglottis

6

Breathing out

Exhalation

7

Another term for exhalation (breathing out).

Expiration

8

The vocal cords and the opening between them.

Glottis

9

Breathing in

Inhalation

10

Another term for inhalation (breathing in).

Inspiration

11

The bottom part of the pharynx.

Laryngopharynx

12

The voice box

Larynx

13

The main breathing organs in the chest that bring oxygen into the body and expel carbon dioxide.

Lungs

14

Any of the passages in the nasal passages.

Nasal cavity

15

The part of the pharynx behind the nasal cavity and above the soft palate.

Nasopharynx

16

External openings of the nose that provide air passage and secretions from the nose and eyes.

Nostrils

17

The part of the throat located at the back of the mouth.

Oropharynx

18

The outer layer of the pleural membrane.

Parietal pleura

19

The cavity at the back of the mouth that opens to the esophagus and larynx.

Pharynx

20

The volume of air left in the lungs after a maximum exhalation.

Residual volume

21

An air-filled cavity

Sinus

22

The volume of air that is inhaled or exhaled during a normal, resting breathing cycle.

Tidal volume

23

The volume of air in the lungs after a maximum inhalation.

Total lung capacity

24

The inner layer of the pleural membrane

Visceral pleura

25

The volume of gas that can be exhaled from the lungs at maximum inhalation.

Vital capacity

26

A number of conditions in which the lungs receive inadequate oxygen; may be caused by a pathological condition or by exposure to smoke, pollution, or toxic chemicals, resulting in shortness of breath.

Acute respiratory disease syndrome (ARDS)

27

The temporary cessation of breathing (usually occurs during sleep)

Apnea

28

A condition caused by an inadequate intake of oxygen.

Asphyxia

29

The accidental inhalation of foreign matter into the bronchial system.

Aspiration