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Human Health and Disease

At Saralstudy, we are providing you with the solution of Class 12th biology Human Health and Disease according to the latest NCERT (CBSE) Book guidelines prepared by expert teachers. Here we are trying to give you a detailed answer to the questions of the entire topic of this chapter so that you can get more marks in your examinations by preparing the answers based on this lesson. We are trying our best to give you detailed answers to all the questions of all the topics of Class 12th biology Human Health and Disease so that you can prepare for the exam according to your own pace and your speed.

Everyone is concerned about their health. Health is a state of body with social mental, physical and reproductively fit. If we are healthy we can be disease free. But disease free doesn't mean a healthy person. Diseases are caused by pathogens to fit with these and our body has an immune system. We will discuss how our body fights with these pathogens, and how antibodies are prepared for vaccines. One of the most important aspects is drugs and alcohol. Drugs if consumed, how it affects and its side effects.

Exercise 1

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