Chapter 7 Human Health and Disease Notes 2027 New NCERT Class 12 Biology PDF
Hello friend. I am NEET dropper today I'm sharing complete notes*CHAPTER 7 - HUMAN HEALTH AND DISEASE SHORT NOTES* 🩺 *NCERT Class 12 ### *8.1 HEALTH* *Definition*: State of complete physical, mental, social well-being. *Not merely absence of disease*. ### *8.2 COMMON DISEASES IN HUMANS* **Disease** **Pathogen** **Vector/Mode** **Symptom** **Test** **Typhoid** *Salmonella typhi* Food/Water Sustained fever 39-40°C **Widal test** **Pneumonia** *Streptococcus pneumoniae*, *Haemophilus influenzae* Droplets Alveoli filled with fluid - **Malaria** *Plasmodium* **Female *Anopheles*** Chills + Fever every 3-4 days Blood smear **Amoebiasis** *Entamoeba histolytica* Food/Water Constipation, cramps Stool test **Ascariasis** *Ascaris* Food/Water Internal bleeding, anemia Stool test **Elephantiasis** *Wuchereria* **Female *Culex*** Lymph nodes me swelling Blood test **Ringworm** *Microsporum, Trichophyton* Soil, Towel Dry scaly lesions on skin - *Malaria Life Cycle Imp Points*: 1. *Spor...