The descending aorta divides into the two iliac arteries at the level of the:

A reverse muscle action is when

a. the moving and fixed ends of a muscle and joint switch roles. b. a muscle elongates rather than shortens during a contraction. c. the fast fibers of a contracting muscle alternate with the slow fibers. d. the moving and fixed ends of a muscle and joint remain the same.

The first three columns of the neoplasm table refer to _________________ neoplasms

a. benign b. noncancerous c. malignant d. removable