Skeletal and Muscular Systems Test Study Guide 2024-2025

Front

What are the thin myofilaments in the muscle cell?

Back

Actin

Front

What is the name of the muscle labeled 3?

Back

Gluteus medius

Front

Which bone is referred to as the skull?

Back

Skull

Front

True or False: During muscle contraction, myosin heads pull on actin filaments, causing actin to slide toward the center of the sarcomere.

Back

True

Front

What is the name of the opening in the vertebra that allows the spinal cord to pass through?

Back

Vertebral foramen

Front

What is the primary function of the skeletal system?

Back

To provide structure and support to the body.

Front

What are the two main types of muscle tissue?

Back

Skeletal and smooth muscle.

Front

What is the role of myosin in muscle contraction?

Back

Myosin heads bind to actin filaments and pull them, causing contraction.

Front

What is the name of the connective tissue that surrounds muscle fibers?

Back

Endomysium

Front

What is the function of the trapezius muscle?

Back

To move the shoulder blades and support the neck.