Question

1. what is the primary purpose of the pinna?

to maintain balance in the body
to convert sound waves into electrical signals
to collect and funnel sound waves toward the ear canal
amplify sour waves

Explanation:

The pinna (outer ear) has the main function of collecting sound waves and funneling them towards the ear canal. This is a basic anatomical and physiological fact related to the ear's structure and its role in hearing.

Answer:

To collect and funnel sound waves toward the ear canal