Few days back, our school organised health checkup camp. Eminent doctors (General physicians, opthalmologists, dentist,etc). Doctor X leader of the doctor's team, gave us tips about essential conditions of keeping good health extrinsic and intrinsic causes of disease as well as types of diseases. Enter students of the school were examined by the doctors. Next day our class teacher asked us to anwer to the following questions:
(i) List atleast three conditions essential for good health.
(ii) How can we keep our surroundings clean?
Mention at least two ways.
(iii) How would you define a diseases?