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- Chapter 8 science. Progress in physics and chemistry ...
CHAPTER 8. HUMAN HEALTH AND DISEASE. 8.1 Common Diseases in...
- Health and Diseases 1 - NCERT
Lifestyle diseases, such as diabetes, hypertension, heart...
- Chapter 8 science. Progress in physics and chemistry ...
Learn about the common diseases in humans, their causes, symptoms and prevention. Explore the role of pathogens, immunity, AIDS, cancer and drugs in human health and welfare.
- 1.1 IntroductIon
- 1.2 What Is Illness?
- 1.3 communIcable dIseases
- actIvIty 1.1
- 1.3.1 Classification
- 1.3.2 Prevention and Control of Communicable Diseases
- actIvIty 1.2
- actIvIty 1.3
- actIvIty 1.4
- box 1.1
- 1.4 NoN–commuNicable Diseases
- Physiological Risk Factors
- actIvIty 1.5
- actIvIty 1.6
- Do You Know?
- actIvIty 1.7
- 1.5 reproductIve health
- 1.5.1 Reproductive Tract Infections (RTIs) and Sexually Transmitted Infections (STIs)
- Do You Know?
- 1.6 hIv and aIds
- 1.6.1 HIV Transmission
- actIvIty 1.8
- 1.6.2 Detection of HIV and AIDS
- actIvIty 1.9
- Situation 1
- Situation 2
- AIDS
- GeneratedCaptionsTabForHeroSec
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 ...
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 ...
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.
Discuss with your classmates, why we should not go to public places when suffering from cold, cough or fever?
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 lic...
The following measures help in prevention and control the spread of communicable diseases: Personal hygiene Bathing everyday and clean clothes keep our body free from harmful microbes. Cutting nails and washing hair regularly. Brushing teeth twice a day (morning and night) particularly after meals. Ensuring that your ears are clean. Do not share ar...
List how many things you follow for food and water hygiene Discuss the list with your friend. What would you like to do to improve your personal hygiene.
Have a round of your school. Find out the environmetnal sanitation. Discuss with your classmates. If it is not good what will you do? Prepare a plan and implement.
Prepare an Immunisation chart. Put it in your classroom. Discuss with your classmates whether everyone has been vaccinated? If not, request them to consult a nearby health centre. become potential carriers. Hence by washing hands, we can prevent diseases like diarrhoea, flu, skin and eye infections. Food and water hygiene Drink potable water. If it...
of communicable diseases, e.g. ensuring use of safe water, healthy food and proper management of garbage and waste disposal.
The non–communicable diseases may occur due to genetic and lifestyle factors. When these are caused by an unhealthy lifestyle, these diseases are also called lifestyle diseases. Risk factors of non–communicable diseases include lack of physical exercises, poor dietary habits, inadequate sleep, stress and habits like smoking, taking alcohol and toba...
Unhealthy Diet Physical Inactivity Tobacco Use Alcohol Use Stress Blood Pressure Blood Glucose Cholesterol Weight Loss If one is obese one has a high chance of getting diabetes and hypertension. Hypertension increases risk of getting heart attacks and strokes. Diabetes mellitus affects all parts of the body like brain, eyes, heart, kidneys, bloo...
Interact with your group and note the causes that lead to hypertension on a chart. Make a list of processed foods that contain of high level of sodium by reading the label. In addition to taking the prescribed medication, doing regular exercises and taking high fibre diet can help one to control hypertension. Mental stress and chronic anxiety Pe...
• Recall the physical activities done by you in the last week and prepare a brief note on the following. ± Do you play any game regularly? ± If yes, for how long? ± How often does your school organise physical activities/Yoga during the week?
There should be no tobacco shop within 100 yards of an educational Institution. Sale and purchase of tobacco related items like cigarette, gutakha by minors and to any one (below the age of 18) is prohibited. Mental relaxation If a person is not able to handle stress, he/she experiences anxiety and depression. This weakens the immune system an...
Is there a shop which sells tobacco products near your school? Have you observed any student purchasing pan masala, gutkha, khaini or cigarettes? Discuss with your teacher what steps can be taken to address this issue. Antioxidants Antioxidants help in prevention of the damage, repair of cellular functions and delay in the ageing process. Fresh veg...
You have read in your previous classes that cell is the structural and functional unit of our body. To perform various specialised functions, nature has divided our body into many functional units or systems comprising different organs. One such system is the ‘reproductive system’. It is made up of reproductive and genital organs. You will study mo...
Reproductive Tract Infections (RTIs) and Sexually Transmitted Infections (STIs) are non-communicable diseases which affect the quality of life and have important bearing on the reproductive functions. RTIs are infections involving reproductive organs. These can be caused by various microbes like bacteria, viruses or protozoa. Improper maintenance ...
One should not administer self medication. We must always consult the doctor before taking any medication. Signs and symptoms of RTIs and STIs Itching or burning sensation in the genital organs Foul smelling discharge from vagina or penis Blisters, sores or swelling on or near genitals, anus or its mouth Pain, burning sensation and increased freque...
HIV stands for ‘Human Immunodeficiency Virus’. It is a virus which is found only in human beings and affects the immune system in humans. When the HIV remains in the body for a long time, it destroys the immune system. Many diseases like tuberculosis, fungal infections and cancer begin affecting the body and the person is said to be having AIDS (A...
HIV is transmitted through: (a) having unsafe sexual contact with an HIV infected person. 5. Once HIV has weakened your immune This is the most common route HIV CAN ENTER YOUR BODY THROUGH : Sexual intercourse without a condom with an infected partner. Use of unsterilised needles or syringes infected with HIV. An infected mother may pass it on to h...
Prepare a list of myths and misconceptions regarding HIV and AIDS and discuss with other students. These myths and misconceptions have no scientific basis and need to be removed by discussing these with the people and spreading awareness about HIV and AIDS. This will prevent discrimination against HIV positive people and help them live longer.
HIV infection can only be diagnosed by a specific blood test done at the Integrated Counselling and Testing Centres in
Read the following two case studies and discuss with your classmates the questions given at the end of each case study.
Mahesh and Ratan, both 15 years old, have been friends with a group of boys in their neighbourhood for the last five years. Their friends pressurise them into taking drugs including drugs through injection. Both refuse but when their friends begin to make fun of them, Mahesh, out of peer pressure and fear, experiments with injectable drugs. He doe...
daughter of a very senior company personnel was expelled from the school because her parents were detected HIV positive. The school Principal felt that the parents did not observe moral behaviour which led them to be HIV positive. The administration believed that the incident would have a negative impact on the school environment and therefore, th...
Download the PDF of the Ncert textbook for class 10 on health and diseases. Learn about the definitions, causes, classification, prevention and control of communicable and non-communicable diseases.
Download the PDF of the Ncert textbook for class 10 on health and diseases. Learn about the definitions, causes, classification, prevention and control of communicable and non-communicable diseases.
Apr 24, 2024 · Download or read online the PDF of Human Health and Disease, a lesson from NCERT Book Class 12 Biology (new, updated version 2023-24). Find the direct link, the complete book PDF, and other NCERT books for Class 12.
Download free PDF of NCERT Class 12 Biology Human Health and Disease textbook for exam preparation and understanding of concepts. Learn about health, diseases, pathogens, immunity, cancer, AIDS and more from this chapter.
- You can download the NCERT Book for Class 12 Biology Chapter 8 Human Health and Diseases for latest session from StudiesToday.com
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Human Health and Disease Chapter sets the stage for the comprehensive study of Class 12 7. Biology. It serves as a bridge between familiar concepts from lower grades and the more advanced topics covered in the subsequent chapters.
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CBSE Books for Class 12 Biology Chapter 8 Human Health And Disease includes all the questions given in NCERT Book for Subject. Here all questions are solved with detailed information and available for free to check. NCERT Solutions for Class 12th are given here for all chapter wise.
