Unit 5 Test #2

Front

What muscle makes up the heart?

Back

Cardiac muscle is the type of involuntary muscle that makes up the heart.

Front

What are the functions of the muscles?

Back

The functions of muscles include holding the body erect, generating body heat, and helping blood move through the veins and food through the digestive system.

Front

Identify the muscle: semitendinosis

Back

The semitendinosis is a muscle located in the back of the thigh.

Front

Which muscle is labeled F?

Back

The zygomaticus is a muscle that helps in smiling and is located in the cheek area.

Front

Name this skeletal muscle shape: Triangular

Back

Triangular muscles are shaped like a triangle and are often found in the shoulder area, such as the deltoid.

Front

What type of muscle is responsible for involuntary movements?

Back

Involuntary muscles include cardiac muscle and smooth muscle, which function without conscious control.

Front

What is the primary function of skeletal muscles?

Back

The primary function of skeletal muscles is to facilitate movement of the body by contracting and relaxing.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are controlled consciously (e.g., biceps), while involuntary muscles operate automatically (e.g., heart muscle).

Front

What is the role of the masseter muscle?

Back

The masseter muscle is responsible for chewing and is one of the main muscles used in the jaw.

Front

What is the function of the temporalis muscle?

Back

The temporalis muscle assists in closing the jaw and is located on the side of the head.