Which of the following are myofilaments shaped like a golf club with two heads?

Which of the following is made of sarcolemma?

The shaft of a long bone is known as the ________.

The glenohumeral joint is an example of a(n) ________ joint.

This neuronal region transmits electrical impulses away from the cell body.

What is a triad within a sarcomere?

When contraction occurs, ________.

At the neuromuscular junction a somatic motor neuron releases acetylcholine, which then diffuses across the synaptic cleft and binds to receptors on a special region of the sarcolemma called ________.

The main function of synovial fluid is

Periosteum covers the outer surface of a bone. What covers the surfaces of medullary cavities, central canals, and trabeculae?