Muscular System STRUCTURE

Front

What is the M line?

Back

The center of the H zone where the attachment site for thick filaments is located.

Front

What is the function of the sarcoplasmic reticulum?

Back

Store calcium to release when muscle is stimulated to contract.

Front

What makes up thin filaments?

Back

Actin.

Front

What is epimysium?

Back

Connective tissue that wraps around and binds fascicles.

Front

Which type of muscle is under our conscious/voluntary control?

Back

Skeletal Muscle.

Front

What are the three types of muscle tissue?

Back

Skeletal, Cardiac, and Smooth muscle.

Front

What is the role of myosin in muscle contraction?

Back

Myosin interacts with actin to produce muscle contraction.

Front

What is the I band in muscle fibers?

Back

The region of the sarcomere that contains only thin filaments (actin).

Front

What is the A band in muscle fibers?

Back

The region of the sarcomere that contains both thick (myosin) and thin (actin) filaments.

Front

What is the function of tendons?

Back

Connect muscle to bone.