A bundle of myofibrils is a

The contractile unit of a muscle made of actin and myosin.

What type of muscle tires slowly?

The connective tissue that is found on the outer covering of the muscle is called?

light, thin filaments are found in the

The center of the A band, At midline of sarcomere

Prevents actin–myosin interaction

Binds tropomyosin to G-actin

Secretory vesicles filled with acetylcholine form in the neuron. What is the next step to muscle contraction?

Action potential is carried through the t tubules, then ________ is released from the sarcoplasmic reticulum

In relaxation of the muscle Ca2+ detaches from troponin

Which of the following is not a function of the skeletal muscle tissue?

An isotonic contraction where the muscle shortens and does work

A state of physiological inability to contract a muscle.

In a muscle twitch this is the first few milliseconds following the stimulation.

This is the part of the muscle contraction from the onset of the contraction to its peak tension development.

The advantage of having many nuclei in a skeletal muscle fiber is the ability to

The plasma membrane of a skeletal muscle fiber is called the

When skeletal muscle fibers contract, the

Receptors for acetylcholine are located on the