Radiopharmaceuticals is a familiar and common name in the field of nuclear medicine, which is a radioactive drug used by patients for the purpose of diagnosing and treating certain diseases. . Depending on different diseases, radiopharmaceuticals may have certain characteristics to make the diagnosis more specific.

Different organs can work together to perform the same general function, such as the parts of the digestive system working together to eliminate waste. The human body's systems work together to create a complete function.

Intraosseous (IO) access is an infusion line established into cancellous bone using an intraosseous needle in cases of cardiopulmonary arrest or other life-threatening emergencies where venous access (with difficulty) cannot be achieved rapidly.