During skeletal muscle contraction, myosin heads attach to active sites of:

Bursae are

_____ is an electrical impulse that signals the muscle to contract

Oxygen debt promotes lactic acid accumulation on muscles from anaerobic cellular respiration.

If a bone’s length exceeds its width, it is classified as a ____.

The following steps are involved in what process?: Arrival of an action potential; Release of ACh; ACh binding to ACh receptors; appearance of an action potential that travels across the membrane and transverse tubule; return to initial state

The outermost layer of the skin is called the ____.

Which of the following covers the muscle organ itself?

_____ muscles move liquids and food through the body.

Smooth muscle cells are: