Which of the following are involved in facial expressions?  Choose all that apply.

What contains axons that convey impulses for precise, voluntary movements of the eyes, tongue, and neck, plus chewing, facial expression, and speech? 

Synthesis of vitamin D begins with the activation of the skin by

There are _________________ sets of ribs in the thoracic cage and the first _________ are classified as true ribs.

Which of the following provide protection for the spinal cord?

Jack injures himself playing hockey.  The physician who examines him informs him that he has dislocated his pollex.  What part of Jack’s body did he injure? 

Which gland is directly innervated by sympathetic preganglionic axons?

Which neuroglia cells produce myelin?

Place the following in the order they would be severed by a knife during surgery:                1.  stratum lucidum                2.  stratum corneum                3.  stratus basale                4.  stratum granulosum                5.  dermis

Autonomic nerve fibers innervate