Class 12 Biology Chapter 8 Human Health and Disease
Biology Notes for Class 12 Chapter 8. Human Life and Disease Chapter Summary Health is not just the absence of disease. It is a state of complete physical, mental, social and psychological well-being. Diseases like typhoid, cholera, pneumonia, fungal infections of skin, malaria and many others are a major cause of distress to human beings. […]
Class 12 Biology Chapter 8 Human Health and Disease Read More »
