Unlike humans,cows eat all day.They spend hours and hours chewing with very little rest from the task in a 24-hour period.The food they eat (grass)is difficult to break down,requiring a lot of chewing.Understanding the endurance required for these chewing muscles,what fiber type would you expect to be predominant in their chewing muscles?
A)Type 1
B)Type 2A
C)Type 2X
D)Type 3
E)There is not enough information to predict a dominant muscle fiber type

Question

Quizplus · Accepted Answer

Type 1 muscle fibers are also known as slow-twitch fibers and are ideal for prolonged, low-intensity activities such as chewing. Cows require a lot of endurance for their daily chewing task, so it is expected that their chewing muscles would have a higher proportion of Type 1 muscle fibers.

Unlike Humans,cows Eat All Day