Human Health and Disease | Why Do We Fall Ill | CBSE Class 9 Science | Biology

  • Post category:Science

Likes : 1781 | Dislikes : 78

Human Health and Disease | Why Do We Fall Ill | CBSE Class 9 Science | Biology

Hello students, in this video we are going to study a very interesting and important topic related to our health as, Human health and diseases, the difference between bad health and disease form chapter 13 named Why do we fall ill of CBSE Class 9 Science.

Don’t want to miss your DAILY video, 🔔 SUBSCRIBE:

Get 2021 CBSE Exam Ready in ✅1-month ✅ with DronStudy Crash Course:
👉 Enrol NOW at ✅BUMPER 90% DISCOUNT !! ✅ –
👉 Watch Benefits of Crash Course here:

✅ Student Care number – 8287971571 ✅
👉 Call anytime to talk to DronStudy Education Counsellors for FREE expert guidance

To Access FULL list of Lectures please visit:

For DronStudy Website,
To Get Complete course,

Follow us on,

✅ Recommended Playlists:
👉 Class 9 Science Animated

👉 Class 9 Maths Animated

👉 Class 9 Physics

👉 Class 9 Biology

👉 Class 9 Chemistry

👉 Class 9 Science

👉 Class 9 Maths

👉 Class 9 Social Studies

👉 Class 9 English

The human body can be compared to a car. Both have different parts and some problems or others keep erupting. The human body is a complex machine.

Difference between bad health & disease
It’s can be differentiating as,
a) Bad Health – Not feeling well
b) Disease – Disease

Let’s understand the disease.

Anything which interferes with the normal functioning of the body and impairs health is called disease.

Disease means disturbing ease.
It can be derived parts as,
a) Look of disease
b) Cause of disease
c) Types of disease
d) Treatment
e) Prevention

Look of disease

Symptoms are problems like fever, headache, loose motion, cough, etc. which indicate that the person is suffering from some disease.

Signs of disease are what physicians will look for on the basis of the symptoms.

Cause of disease
1. External Cause
a. bacteria
b. virus
c. fungi
d. protozoan
e. worms

2. Internal cause
a. Lack of exercise: high blood pressure
b. overeating: obesity
c. malnutrition
d. genetic: parents – child
e. since birth. ex – blindness
f. failure of some organs
like kidney, heart, eyes

Different levels of the cause of disease

1. Loose motion
2. Virus
3. Dirty water
4. Poverty

For more information please,
Call us at 8287971571. You can also WhatsApp us on +91 90540 43867. Thank you!

#whydowefallill #badhealthanddisease #class9science #cbse #ncert #solutions #chapter13

Don’t want to miss your DAILY video, 🔔 SUBSCRIBE:

For latest Fitness tips visit Fit & Fine