A teenager began going to the gym in order to get into shape. They began to lift weights several times a week. After a few weeks they noticed calluses forming on their palms. This was due to a thickening in the __________.

Compact bone is commonly found in the _______ of a long bone.

A muscle cell containing multiple nuclei is __________.

The primary function of the skeletal system is to ______________.

A fibrocartilage pad in a synovial joint that acts as a shock absorber is a ________.

White hairs appear white because they lack any pigmentation at all. As a result when light hits air in the hollow _______ it reflects back as white.

The contractile unit of a muscle cell is called the ___________.

Which of these is true of all muscle cell types?

The maximum sustained contraction of a muscle is called ________.

Which of these would you NOT expect to find in a muscle in fatigue?