Human Diseases — Chapter Summary
Telangana Open School (TOSS) · Class 12 · Biology
Summary of Human Diseases for Telangana Open School (TOSS) Class 12 Biology. Part of the Telangana Open School (TOSS) Class 12 Biology syllabus.
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Overview
Health is not just the absence of disease but a state of complete physical, mental, and social well-being. However, various factors can disrupt the normal functioning of the human body, leading to diseases. This chapter explores different types of diseases, their causes, modes of transmission, sympt
Key Concepts
A disease is any condition
A disease is any condition that disrupts the normal structure or function of the body. It can be caused by pathogens, genetic defects, lifestyle facto
These are infectious diseases caused by
These are infectious diseases caused by pathogens like bacteria, viruses, fungi, protozoa, and worms. They spread from person to person through air, w
These do not spread between people
These do not spread between people and include conditions like diabetes, hypertension, cancer, and deficiency diseases. They often result from lifesty
Pathogens are disease
Pathogens are disease-causing organisms like bacteria and viruses. Vectors like mosquitoes and houseflies carry and transmit these pathogens without g
Cancer is the uncontrolled growth
Cancer is the uncontrolled growth of abnormal cells that can invade nearby tissues and spread to other organs. It results from genetic mutations cause
Learning Objectives
- Define disease and classify it into congenital and acquired types
- Differentiate between communicable and non-communicable diseases
- Understand the roles of pathogens, parasites, vectors, and carriers
- Describe the causes, symptoms, and prevention of major infectious diseases like malaria, dengue, tuberculosis, and AIDS
- Explain non-communicable diseases such as hypertension, diabetes, and cancer
Frequently Asked Questions
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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