Muscular System

Front

What type of muscle tissue is found in the heart?

Back

Cardiac muscle tissue is the type of muscle found in the heart, responsible for pumping blood throughout the body.

Front

Which of the following is NOT a type of muscle tissue?

Back

Epithelial is not a type of muscle tissue. The three types of muscle tissue are skeletal, cardiac, and smooth.

Front

Muscles move bones by:

Back

Muscles move bones by pulling. They contract to pull on bones, creating movement.

Front

What muscle is highlighted in the picture?

Back

The Sternocleidomastoid muscle is located in the neck and is responsible for rotating and flexing the head.

Front

What two chemicals are necessary for muscle contraction to occur?

Back

Calcium and ATP (adenosine triphosphate) are necessary for muscle contraction.

Front

What is the primary function of skeletal muscle?

Back

The primary function of skeletal muscle is to facilitate voluntary movement of the body by contracting and pulling on bones.

Front

What is smooth muscle and where is it found?

Back

Smooth muscle is involuntary muscle found in the walls of hollow organs such as the intestines and blood vessels.

Front

What is the role of ATP in muscle contraction?

Back

ATP provides the energy required for muscle contraction and relaxation.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are under conscious control (e.g., skeletal muscles), while involuntary muscles operate without conscious control (e.g., cardiac and smooth muscles).

Front

What is the function of the deltoid muscle?

Back

The deltoid muscle is responsible for shoulder abduction, flexion, and extension.