Class 12 Biology - Chapter 7: Human Health and Disease
Understand diseases, immunity, vaccines, and the impact of drug abuse in Class 12 Biology Chapter 7. Learn about AIDS, cancer, and body defenses.
Overview
This chapter focuses on various aspects of human health, types of diseases, immunity, and methods of disease prevention. It also covers pathogens, the immune system, AIDS, cancer, drugs and alcohol abuse.
Why This Chapter Matters
Understanding health and disease is vital for personal and public well-being. It builds awareness about lifestyle diseases, infections, immunity, and substance abuse.
Real-Life Applications
- Understanding the body’s immune response against pathogens.
- Learning about common diseases and their modes of transmission.
- Evaluating preventive measures including vaccines and public health strategies.
Skills You Will Learn
- Differentiating between innate and acquired immunity.
- Identifying symptoms and causes of diseases like AIDS and cancer.
- Recognizing the effects of drugs and alcohol on the human body.
Explore and Test Your Knowledge
Practice Test
Test your knowledge with our practice test.
Scheduled Talent Test
Participate in the weekly talent test for this chapter.
Flashcards
Q: What is immunity?
A: Immunity is the ability of the body to fight against disease-causing pathogens through specific or non-specific defenses.
A: Immunity is the ability of the body to fight against disease-causing pathogens through specific or non-specific defenses.
Q: What causes AIDS?
A: AIDS is caused by the Human Immunodeficiency Virus (HIV), which weakens the immune system.
A: AIDS is caused by the Human Immunodeficiency Virus (HIV), which weakens the immune system.
Q: Name two harmful effects of drug abuse.
A: It can lead to mental instability, liver damage, addiction, and death.
A: It can lead to mental instability, liver damage, addiction, and death.
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