Question

Which is an example of the muscular system working?

Question 5 options:

Biceps and triceps in your arm relaxing and contracting


Breathing air into your lungs


Your brain thinking


Cells working together to function organs

Answer 1

The correct answer is:

**Biceps and triceps in your arm relaxing and contracting**

This option describes the action of muscles in the muscular system working together to produce movement.