NCERT Class 9 Health and Physical Education Health and Diseases

Other Subjects
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Read and download NCERT Class 9 Health and Physical Education Health and Diseases in NCERT book for Class 9 Other Subjects. You can download latest NCERT eBooks chapter wise in PDF format free from Studiestoday.com. This Other Subjects textbook for Class 9 is designed by NCERT and is very useful for students. Please also refer to the NCERT solutions for Class 9 Other Subjects to understand the answers of the exercise questions given at the end of this chapter

NCERT Book for Class 9 Other Subjects Health And Diseases

Class 9 Other Subjects students should refer to the following NCERT Book Health And Diseases in Class 9. This NCERT Book for Class 9 Other Subjects will be very useful for exams and help you to score good marks

Health And Diseases NCERT Book Class 9

1.1 IntroductIon
We normally relate the terms diseases and illness interchangeably in relation to health, even though these words do not mean the same. Health is the general condition of a person in respect to all aspects of life. It is also a level of functional and/or metabolic efficiency of an organism. The
word metabolic is the adjective of the term metabolism which means the whole range of big chemical processes that occur within us or any living organism to produce energy and basic materials needed for important life processes. Diseases and illness adversely affect these processes. And thus health, diseases and illness are inter-related. However, health is not just being free from diseases, illness or injury. As defined by World Health Organisation (WHO), health is “a state of complete physical, mental and social well-being and not merely an absence of disease or infirmity”.
 
1.2 What Is Illness?
Let’s now see how is illness different from that of disease? While illness and disease are at times used interchangeably, these in fact, are different from each other. Disease refers to a biomedically defined deviation from norms of body function or structure, whereas, illness is the experience of this deviation. It is a state of experience by the body when one or more of the control systems of the body are not functioning normally. Illness refers to a subjective distress feeling of a person, when one is sick or suffering from some disease. However, it is not appropriate to conclude that any one being merely free from illness or disease is healthy.
You might have seen people suffering from various types of diseases. Some of the diseases, like high blood pressure affect only a particular person who is suffering from it. On the other hand, some diseases like common cold, spread rapidly and affect a number of people in a very short period. You must have often wondered as to how does this happen. In one of the chapters of your textbook on Science, you would have studied about ‘Why We Fall Ill’. In that chapter, it is mentioned how diseases are caused and how some of these affect only the persons who suffer from them are called non-communicable, whereas, there are those diseases that are transmitted from one person to another are known as communicable. The chapter also mentions how communicable and non-communicable diseases can be prevented and controlled.
 
1.3 communIcable dIseases
Let us understand how communicable diseases are spread. These diseases are caused by certain infectious agents which may be bacteria or viruses. These are capable of being transmitted from person to person or from the environment to person.
 
1.3.1 Classification
Communicable diseases can be classified on the basis of the causative organisms. These are as follow:
• Bacterial: Typhoid, Cholera, Tuberculosis
• Viral: Common cold, Influenza, HIV infection, Dengue
• Protozoal: Malaria, Kala azar
• Fungal: Fungal infections of nails, groins, skin, hair
• Parasitic: Infestations of intestinal worms, like round worm, or lice.
 
Modes of transmission: The modes of transmission can be classified as direct and indirect transmission.
 
 
 
 
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CBSE Class 9 Science and technology Categories of Practical Skills
CBSE Class 9 Science and technology Design of Question Paper
CBSE Class 9 Science and technology List of Experiments
CBSE Class 9 Science and technology Sample Paper 1
CBSE Class 9 Science and technology Sample Paper 2
CBSE Class 9 Science and technology Sample Paper 3
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NCERT Class 9 Health and Physical Education Growing up with Confidence
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NCERT Class 9 Health and Physical Education Physical Education
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NCERT Class 9 Health and Physical Education Sports Training
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Other Subjects NCERT Book Class 9 Health And Diseases

The above NCERT Books for Class 9 Other Subjects Health And Diseases have been published by NCERT for latest academic session. The textbook by NCERT for Health And Diseases Other Subjects Class 9 is being used by various schools and almost all education boards in India. Teachers have always recommended students to refer to Health And Diseases NCERT etextbooks as the exams for Class 9 Other Subjects are always asked as per the syllabus defined in these ebooks. These Class 9 Health And Diseases book for Other Subjects also includes collection of question. We have also provided NCERT solutions for Class 9 Other Subjects which have been developed by teachers of StudiesToday.com after thorough review of the latest book and based on pattern of questions in upcoming exams for Class 9 students.

NCERT Book Class 9 Other Subjects Health And Diseases

The latest NCERT book for Health And Diseases pdf have been published by NCERT based on the latest research done for each topic which has to be taught to students in all classes. The books for Class 9 Other Subjects Health And Diseases are designed to enhance the overall understanding of students. All Class 9 NCERT textbooks have been written in an easy to understand language which will help to enhance the overall level of Class 9 students. 

Health And Diseases NCERT Book Class 9 Other Subjects

As the students of Class 9 need the books for their regular studies, we have provided all NCERT book for Health And Diseases in pdf here for free download. All pdf NCERT books available here for Class 9 will help them to read on their mobile or computers. They can take a print of the Class 9 Other Subjects NCERT Book Health And Diseases pdf easily and use them for studies. The NCERT textbooks for Class 9 Other Subjects have been provided chapter-wise and can be downloaded for free of cost. 

Class 9 Other Subjects Health And Diseases NCERT Book

Along with Other Subjects Class 9 NCERT Book in Pdf for Health And Diseases we have provided all NCERT Books in English Medium for Class 9 which will be really helpful for students who have opted for english language as a medium. Class 9 students will need their books in English so we have provided them here for all subjects in Class 9.

Class 9 Health And Diseases NCERT Book Other Subjects

For Class 9 Health And Diseases we have provided books for students who have opted for Hindi and Urdu medium too. You can click on the links provided above to download all Hindi medium Class 9 Other Subjects Health And Diseases book in easy to read pdf format. These books will help Class 9 Other Subjects students to understand all topics and also strictly follow latest syllabus for their studies. If you are looking to download the pdf version of Class 9 Other Subjects Health And Diseases textbook issued by NCERT then you have come to the correct website

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