________ The Centers for Disease Control and Prevention's Universal Precautions are used in hospitals, whereas Standard Precautions are used in the medical office

The ________ cells are crude weapons that release chemicals to destroy infected cells that they encounter

A) natural killer B) T-lymphocytic C) B-lymphocytic D) mast

The body cavity that houses the lungs is called the:

A) abdominal cavity B) thoracic cavity C) pericardial cavity D) cranial cavity