What is the disease Class 8?

MSBSHSE Class 8 Science Chapter 2 Additional Questions

Question 2: What is a disease? Answer: A disease is a condition of disturbances in physical and psychological processes of the human body.

What are the types of disease Class 8?

What are the causes of diseases Class 8?

What is contagious disease class 8?

Communicable diseases are transmitted from an infected person to a healthy person via air, water, food, or direct contact. Examples: Common cold, Cholera, Chickenpox, Tuberculosis.

What is disease class 9?

Any condition which impairs health, or interferes with the normal functioning of the body is called disease.

Disease - Types | Biology

What is diseases class 10?

“A disease is a condition that deteriorates the normal functioning of the cells, tissues, and organs.” Diseases are often thought of as medical conditions that are characterized by their signs and symptoms.

What is infectious disease class 7?

Infectious diseases are illnesses caused by harmful agents (pathogens) that get into your body. The most common causes are viruses, bacteria, fungi and parasites. Infectious diseases usually spread from person to person, through contaminated food or water and through bug bites.

What is carrier for Class 8?

Carriers are organisms which carry disease causing microorganisms on or in their body.

What is vaccine class 8?

A vaccine is defined as any substance which is used to stimulate the production of antibodies, in turn providing immunity against one or a few diseases. A vaccine is defined as a biological preparation formulated to provide acquired immunity for a particular disease.

What is non infectious disease class 8?

Non-infectious diseases are the ones which are produced by the factors other than living organisms and are incapable of spreading from one person to another.

Which human disease is caused by virus Class 8?

the diseases causes by viruses are AIDS , influenza, chicken pox,small pox,polio,etc..

What are the two human diseases caused by bacteria Class 8?

The two human diseases caused by bacteria are Cholera and typhoid.

What are the three diseases caused by virus Class 8?

Three diseases caused by virus are:- Influenza, Jaundice and AIDS.

What are symptoms Class 8?

How vaccines protect us from diseases Class 8?

Vaccines help your immune system fight infections faster and more effectively. When you get a vaccine, it sparks your immune response, helping your body fight off and remember the germ so it can attack it if the germ ever invades again.

What is antibodies for Class 8?

Antibodies are protective proteins produced by your immune system. They attach to antigens (foreign substances) — such as bacteria, fungi, viruses and toxins — and remove them from your body.

How does the body produce antibodies Class 8?

Antibodies are produced by the human body in response to antigens. Plasma cells are responsible for the production of antibodies. This plasma cell, also known as plasma B cells, is a type of white blood cell that produces huge amounts of antibodies. The plasma cell is born in the bone marrow.

What is carrier class 8 very short answer?

A person or organism that has been infected with an infectious disease agent but is entirely asymptomatic. Carrier is infected with the disease.

What is the difference between pathogens and carriers Class 8?

Pathogens are microorganisms that cause diseases. Carriers are organisms which carry disease causing micro-organisms (pathogen) from infected person to healthy person. Example: bacteria, virus, protozoa. Example: mosquito, snail, rat etc.

What does a carrier person have?

In genetics, a person who has one copy of a mutated (changed) disease-causing gene but has no symptoms or mild symptoms. Carriers can pass on the mutated gene to a biological child. If a child inherits one mutated copy of a gene from each parent, they will usually show symptoms of the disease or condition.

What are the 4 types of diseases?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.

How can we prevent the spread of communicable diseases Class 8?

What are the 5 most common infectious diseases?

What is diseases class 12?

When the functioning of one or more organs or systems of the body is adversely affected, characterised by various signs and symptoms, we say that we are not healthy, i.e., we have a disease. Diseases can be broadly grouped into infectious and non-infectious.

What is infectious disease class 12?

What are Infectious Diseases? Infectious diseases are the diseases caused by various pathogenic microorganisms such as virus, bacteria, protozoan, fungi, and other parasites. These infectious diseases can be transmitted by animals, humans, insects or other agents.