Question

How many groups of extrinsic tongue muscles are there?

a. 3
b. 1
c. 4
d. 2

Answer 1

There are four groups of extrinsic tongue muscles, which include the palatoglossus, hyoglossus, styloglossus, and genioglossus. These muscles are involved in movements essential for chewing, speaking, and swallowing.

Step-by-step explanation:

There are four groups of extrinsic tongue muscles: these are the palatoglossus, hyoglossus, styloglossus, and genioglossus muscles. Extrinsic tongue muscles are responsible for the gross movement of the tongue, attaching to structures outside of the tongue and inserting into it to control its position. The extrinsic muscles allow for movements that are vital for chewing, speaking, and swallowing.