36.9: Respiratory System

Question 1

Oral Cavity (Mouth)

Answer 1

Supplement airway when breathing is labored

Question 2

Pleural Membrane

Answer 2

Double-layer membrane that separates lungs from other organs; the narrow, fluid-filled space between its to layers has roles in breathing

Question 3

Intercostal Muscles

Answer 3

At rib cage, skeletal muscles with roles in breathing. Thee are two sets of intercostal muscles (external and internal)

Question 4

Diaphragm

Answer 4

Muscle sheet between the chest cavity and abdominal cavity with roles in breathing

Question 5

Nasal Cavity

Answer 5

Chamber in which air is moistened, warmed, and filtered, and in which sounds resonate

Question 6

Pharynx (Throat)

Answer 6

Airway connecting nasal cavity and mouth with larynx; enhances sounds; also connects with esophagus

Question 7

Epiglottis

Answer 7

Closes off larynx during swallowing

Question 8

Larynx (Voice Box)

Answer 8

Airway where sound is produced; closed off during swallowing

Question 9

Trachea (Windpipe)

Answer 9

Airway connecting larynx with two bon chi that lead into the lungs

Question 10

Lung (one of a pair)

Answer 10

Lobed, elastic organ of berating; enhances gas exchange between internal environment and outside air

Question 11

Bronchial Tree

Answer 11

Increasingly branched airways starting with two bronchi and ending at air sacs (alveoli) of lung tissue