In skeletal muscle, alternating light and dark bands are termed __________________. 

The bundle of nerve roots that occupy the vertebral canal from L2 to S5 is called the: 

This muscle is used for smiling since it draws the angle of the mouth upward and laterally for laughing:

The longest muscle in the body is the:

Cerebrospinal fluid (CSF) fills in the space between the:

In a relaxed muscle fiber, the active sites of actin are blocked by _____________. 

The bony attachment at the stationary end of muscle is called the:

The _________ houses the pituitary gland (hypophysis) which is found in the ____________ bone(s).

The antagonist for the biceps brachii is the: 

The protein that acts as a calcium (Ca2+) receptor in skeletal muscle is__________________.