U5-L4 Assignment 1

Which of these is a voluntary muscle?

• Heart

• Stomach

• Arm muscles

• Lungs

What is the function of muscles?

• To produce movement by contracting and relaxing

• To regulate body temperature

• To control breathing

• To help with digestion

What do voluntary muscles do?

• Line the digestive tract

• Operate without thinking about it

• Move because of conscious thought

• Control heartbeats

Which muscle helps in bending the arm?

• Thigh muscles

• Neck muscles

• Shoulder muscles

• Triceps

Which muscle is responsible for lowering the leg and bending the knee?

• The calf

• The back thigh muscles

• Back muscles

• Biceps

Which muscle controls all movement of the head?

• Thigh muscles

• Back muscles

• Neck muscles

• Triceps

Muscles work in (a)   to pull bones and help the body move.

Muscle is soft body (a)  

To contract means to become (a)  

You can control voluntary muscles.

• True

• False