Locomotion And Movement Question 54

Question: Muscles are arranged in pairs, ______.

Options:

A) Enabling them to perform opposing movements.

B) Doubling their strength.

C) So they can take turns contracting and resting.

D) So if one is injured, the other can take over.

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Since muscles can only shorten, an opposing muscle pair allows a joint to move in different directions.