What is the advantage of breathing through the nose rather than the mouth?
A) The nose warms, humidifies, and filters inhaled air.
B) The nose provides a site for initial gas exchange.
C) The nose is a less turbulent environment than the mouth.
D) The nose provides a more direct route over which air will travel.
Answer: A
You might also like to view...
The testes and ovaries are called the ________.
A. gametes B. gonads C. ovum D. sperm
This connective tissue is made of hard calcified matrix and stores calcium and other minerals
A) bone (osseous tissue) B) dense irregular C) hyaline cartilage D) elastic cartilage
The gastrocnemius muscle is most likely to be innervated by the ________ nerve.
A. femoral B. obturator C. median D. common fibular (peroneal) E. tibial
The C shape of the tracheal cartilages is important because
A) large masses of food can move through the esophagus. B) large masses of air can pass through the trachea and thus the bronchi. C) it facilitates turning of the head. D) the bronchi are also C-shaped. E) it permits the trachea to pinch shut prior to sneezing.