UPDATED ACTUAL Questions and
CORRECT Answers
carbon dioxide - CORRECT ANSWER - tasteless, colorless, odorless gas produced by body
cells during metabolism
cartilage - CORRECT ANSWER - tough, elastice connective tissue that is more rigid than
ligaments but less dense than bone
cilia - CORRECT ANSWER - minute, hairlike structures that extend from the surface of a cell
diffuse - CORRECT ANSWER - to move or spread out a substance at random, rather than by
chemical reaction or application of external forces
oxygen - CORRECT ANSWER - tasteless, odorless, colorless gas essential for human
respiration
pH - CORRECT ANSWER - symbol that indicates the degree of acidity or alkalinity of a
substance
serous membrane - CORRECT ANSWER - thin layer of tissue that covers internal body
cavities and secretes a fluid that keeps the membrane moist; also called serosa
nasopharynx - CORRECT ANSWER - posterior to the nose
oropharynx - CORRECT ANSWER - posterior to the mouth
laryngopharynx - CORRECT ANSWER - superior to the larynx
, adenoids - CORRECT ANSWER - pharyngeal tonsils, a collection of lymphoid tissue
larynx - CORRECT ANSWER - voice box, contains structures that make vocal sounds
possible
epiglottis - CORRECT ANSWER - seals off the air passage to the lungs during swallowing
trachea - CORRECT ANSWER - windpipe
bronchi - CORRECT ANSWER - The passages that direct air into the lungs
alveoli - CORRECT ANSWER - tiny sacs of lung tissue specialized for the movement of
gases between air and blood
Mediastinum - CORRECT ANSWER - space between the lungs
visceral pleura - CORRECT ANSWER - inner layer of pleura lying closer to the lung tissue
parietal pleura - CORRECT ANSWER - membrane that lines the thoracic cavity
space between the visceral and parietal pleura - CORRECT ANSWER - pleural cavity
nas/o and rhin/o - CORRECT ANSWER - nose
sept/o - CORRECT ANSWER - septum
sinus/o - CORRECT ANSWER - sinus, cavity