Chlamydia is a term for a gram-negative bacteria made up of spiral-shaped cells.

The ________ is a fluid-filled sac that surrounds and protects the heart

A) myocardium B) endocardium C) pericardium D) septum

Approximately ____ percent of the geographic United States is covered by some type of 9-1-1.

A. 24 B. 48 C. 72 D. 96