There are numerous illnesses in the world that are caused by a simple virus. The viruses can mutate and become life threatening illnesses. Some diseases caused by a virus are a cold, flu, and even AIDS. The correct answer is B.
Answer:
Muscle tone.
Explanation:
State of continuous partial contractions even when muscle is voluntarily relaxed, some of it's fibers are still contracting (contraction not visible but keeps muscle healthy).
A. Sexual contact..Spread of infection via tiny droplets of fluid that come out of the nose or mouth when someone sneezes or coughs. Direct contact occurs when an infected part of the body is touched by someone else. An example of this is the transmission of sexually transmitted diseases via genital contact.
Answer:
is that the whole question