The thick protein myofilaments in a myofibril are

The thin protein myofilaments in a myofibril are

The electrical current generated by the change in charge across the muscle cell membrane

A bundle of muscle fibers is a

The contractile or functional unit of the muscle is the

Calcium is stored in the

These ions are required to allow myosin to bind to actin

The property of muscles that enable them to receive and respond to a stimulus

Type of muscle contraction that causes no movement but the muscles are still doing work

Type of muscle contraction that causes movement

Muscle end attached to the more movable bone

One motor neuron and all the skeletal muscle fibers it stimulates is a

Match the type of muscle to its characteristics:

voluntary, attached to bones

Match the type of muscle to its characteristics:

branching chains of cells with intercalated discs

Match the type of muscle to its characteristics:

slow to fast contractions, but not rhythmic

Match the type of muscle to its characteristics:

found in visceral organs

Match the type of muscle to its characteristics:

involuntary, no striations

Match the type of muscle to its characteristics:

involuntary, found in the heart

Match the type of muscle to its characteristics:

multinucleate cells with obvious striations

Which of the following statements about muscle tissue is NOT correct?

Which of the following lists the structures in order from smallest to largest?

Which number most closely approximates the number of skeletal muscles in the human body?

When they link the thick and thin filaments together during skeletal muscle contraction, The heads of the myosin filaments are called:

The gap between the motor neuron and the muscle fiber it supplies at the neuromuscular junction is called the:

The sliding filament theory involves the sliding of the _ during skeletal muscle contraction as each myosin head attaches and detaches several times.

A smooth, sustained contraction is called

The connective tissue covering that surrounds an entire muscle is

Which of the following is NOT a function of the muscular system?

The condition of skeletal muscle fatigue can be best explained by

Identify the type of muscle shown

Identify the type of muscle shown

Identify the type of muscle shown

Connective tissue that surrounds an individual muscle cell