Answer:
me btw thanks for the point
Answer: Not having motivation
Explanation:
If you get a career in any medical field then it's important to know about the functions of the body systems. Knowing about how they work will prepare you for what you need to know when you get that job. Learning these things in school helps prevent you from struggling with your career.
One mechanism could be educating people about HIV/AIDS from mouth to mouth, another would be to make long lectures which would educate people about this disease, another would be to make workshops which would serve the same role.