Immunity and immune system NEET

Human Health and Disease NCERT Line-by-Line Breakdown for NEET 2026 Unit 3: Biology in Human Welfare Health does not simply mean ‘absence of disease’. It is a state of complete physical, mental, and social well-being (WHO). Good health increases productivity and economic prosperity. Diseases are broadly grouped into Infectious (transmittable) and Non-infectious. 1. Common Diseases … Read more