Answer:
Insulin
Explanation:
Prescription drugs are often strong medications, which is why they require a prescription from a doctor or dentist. There are three kinds of prescription drugs that are commonly misused: Opioids—used to relieve pain, such as Vicodin®, OxyContin®, or codeine.
The symbol for gold is Au
Larry is taking a walk in the park. The pollen in the air makes him sneeze constantly. The line of defense that is his immune system exhibiting is that of "(A) first line of defense." There are only 3 lines of defense in the immune system. The first line of defense are a combination of physical and chemical barriers that prevent all types of foreign agents from penetrating the outer layer of the body. In this case, it is the nasal cavity.