The function of the outer ear in humans is to
A) Focus sound into the middle ear
B) Enable finding the direction of a sound
C) Trap foreign material in earwax
D) Equalize pressure on the two sides of the eardrum
E) Both A and C are correct

Question

Quizplus · Accepted Answer

The outer ear, which includes the pinna (the visible part of the ear) and the ear canal, has several functions. It focuses sound waves into the middle ear, which is essential for hearing. Additionally, the ear canal produces earwax, which helps to trap foreign material and prevent it from reaching the more sensitive parts of the ear, thus protecting the ear.

The Function of the Outer Ear in Humans Is to