The __________ system functions include delivery of oxygen, nutrients, and other substances to all the cells of the body.?

Taking action without orders or regard to SOPs is known as _______.

a. Freelancing b. Independent action c. Improvisation d. Initiative

Examination of the cerebrospinal fluid is often helpful in diagnosing disorders of the:

A) central nervous system. B) autonomic system. C) reflex system. D) none of the above.