Unit 7 - Respiratory System Key Terms

Question 1

inhalation (inspiration)

Answer 1

inhaling of air into the lungs

Question 2

exhalation (expiration)

Answer 2

expelling of air out of the lungs

Question 3

alveolus

Answer 3

air sac in the lung

Question 4

bronchioles

Answer 4

smallest branches of the bronchi

Question 5

bronchus

Answer 5

branch of the trachea

Question 6

diaphragm

Answer 6

muscle separating the chest and abdomen.

Question 7

epiglottis

Answer 7

lid-like piece of cartridge covering the larynx.

Question 8

pharynx

Answer 8

throat; including the nasopharynx, oropharynx, laryngopharynx

Question 9

pleura

Answer 9

double-layeres membrane surrounding each lung

Question 10

respiration

Answer 10

process of moving air into and out of the lungs; breathing

Question 11

trachea

Answer 11

windpipe

Question 12

larynx

Answer 12

voice box; containing the vocal cords

Question 13

pneumoconiosis

Answer 13

abnormal condition of dust in the lungs
pneum/o - air, lung
coni - dust
-osis - abnormal condition

Question 14

cyanosis

Answer 14

abnormal condition of blue (skin)

• cyan - blue
• osis - condition, usually abnormal

Question 15

hypoxia

Answer 15

condition of low oxygen
hypo - deficient, under
ox/o - oxygen
-ia - condition

Question 16

rhinoplasty

Answer 16

surgical repair to the nose
rhin/o - nose
-plasty - surgical repair

Question 17

spirometer

Answer 17

instrument to measure breathing
spir/o - breathing
-meter - measure

Question 18

apnea

Answer 18

without breathing
a - no, not, without
-pnea - breathing

Question 19

asphyxia

Answer 19

no pulse
a - no, not, without
-sphyxia - pulse