Human Health and Disease
Everyone has had a fever, a cough or an upset stomach. Behind each one there is a cause, and often a living thing too small to see. Here you meet the germs that make people ill, follow the malarial parasite through a mosquito and a person, and see how clean water and a clean home keep disease away. Then you see how the body defends itself, how a vaccine trains that defence, and what goes wrong in allergy and AIDS. The last part is about cancer, about drugs and alcohol, and about growing up with good choices. Python grows bacteria, draws antibody curves and counts the doublings of a tumour. It serves the unit of the Indian syllabus (NCERT, NEET) and the matching topics of A-Level, IB and AP Biology.
Part of Biology · High School (11–12) (chapter 25)
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Pathogens, Common Diseases and Their Prevention
What health means, and which germs cause typhoid, pneumonia, the common cold, dengue, chikungunya, malaria, amoebiasis, ascariasis, filariasis and ringworm. You follow the malarial parasite through a mosquito and a person, and learn how clean water, clean food and control of mosquitoes prevent disease.
Immunity, Vaccination, Allergy and AIDS
How the body keeps germs out and fights those that get in. Innate and acquired immunity, antibodies, the organs of the immune system, vaccines, allergy and autoimmunity, and the way HIV attacks the helper T cells and causes AIDS.