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.
Breathing, and lungs. They are the most important.
The last on, tennis and volleyball because in tennis, you have to be able to serve and return with a lot of power, and in volleyball it is the same.
Answer:
Option (A).
Explanation:
Alzheimer's disease may be defined as the medical condition that causes dementia in which individual suffer from the thinking, memory and behavior problems.
The cholinesterase inhibitors proves to be beneficial for this disease. The discontinuation of this inhibitor therapy ultimately results in the loses of the benefit that have received from the drug.
Thus, the correct answer is option (A).
