NCERT Book Class 8 EVS Diseases and their prevention

9. Diseases and their prevention

Background

There are several types of microorganisms, such as bacteria, viruses, protozoa, fungi, etc. in our surroundings. Many of these cause diseases in human beings, some of which are very common. The disease causing microorganisms can enter our body through water, touch, food, vectors and carriers. But if proper preventive measures are taken, we can definitely protect ourselves from many of the diseases. Project Book in Environmental Education

Methodology

1. Make a list of as many diseases as possible that are caused by microorganisms.

2. Group the diseases separately into those caused by bacteria, viruses, protozoa and fungi.

3. Try to find out how these are transmitted. Try to find out this information for as many microorganisms as possible.

4. Find out how you can protect yourself from being infected by those microorganisms. For this, you can take the help of your family doctor or a doctor in your locality. You can also refer to books, publicity material of health department, the internet and other sources.

Conclusion

Prepare a chart of the diseases alongwith the microorganisms that cause them and the preventive measures suggested for those diseases.

Follow-up

1. Share the information that you have collected with your family and friends.

2. Follow the preventive measures that are suggested by the doctor.

Please refer to attached file for NCERT Class 8 EVS Diseases and their prevention