What are 3 critical components for an illness to be communicable?

A low specific gravity will indicate what DISEASE? What structures can serve to prolong and reinforce inefficient muscle contractions? How long does it take to do a emg of an arm? What laboratory department performs tests to identify abnormalities of the blood and blood-forming tissues? Which erythrocytes enter the circulation at the developmental stage? Is it hard to put a tampon in? What steps occur when chickenpox virus initially infects the body? What gives oxygenated blood its blue color? What causes an appendix attack? Which is more effective The titanium necklace or bracelet? Which type of muscle tissue is autorhythmic? Can you take levaquin if you are allergic to sulfa? How many minutes would it takes for the food to digest? What theme tells you what two or more locations have in common? Can very high hcg levels cause a miscarriage? Can you survive malaria? What is the penalty for ill-treatment of mentally ill? Can sleeping disorders be considered a mental disorder? How does frizz occurwhy? Can cpap cause problems with your lungs?