When a sound wave first arrives at the ear, the wave is directed toward the auditory canal by

A) receptors on the head.
B) tympanic membranes.
C) pinna.
D) auditory tube.
E) vestibular apparatus.


C

Biology & Microbiology

You might also like to view...

The thin, circular layers of compact bone are called

a. osteoblasts. b. epiphyseal plates. c. osteoclasts. d. osteons. e. spicules.

Biology & Microbiology

haploid

What will be an ideal response?

Biology & Microbiology

A chemical that inhibits beta-lactamase enzymes is

A. imipenem. B. aztreonam. C. clavulanic acid. D. synercid. E. penicillinase.

Biology & Microbiology

By-products of cellular respiration include

A) NADH and ATP. B) carbon dioxide and ATP. C) FADH2 and NADH. D) carbon dioxide and water. E) oxygen and heat.

Biology & Microbiology