What is disease in biology?

What is disease in biology?

In simple terms a disease can be defined as a disorder of structure or function of an organism that is not a direct result of physical injury. The manifestation of disease is a direct consequence of a disruption of function of a biological system at a molecular and cellular level.

What is the easiest definition of disease?

A simple definition of disease is an “illness or sickness characterised by specific signs or symptoms”.

What is disease in biology class 9?

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

What is disease and examples?

The definition of a disease is an illness or sickness with specific, well-defined symptoms that affects a person, plant or animal. An example of a disease is cancer.

What is disease definition Class 9?

What is disease short answer Class 9?

What is disease Class 8?

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

What is disease and its causes?

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They’re normally harmless or even helpful. But under certain conditions, some organisms may cause disease. Some infectious diseases can be passed from person to person.

What is disease answer in one sentence?

Definition of disease 1 : a condition of the living animal or plant body or of one of its parts that impairs normal functioning and is typically manifested by distinguishing signs and symptoms : sickness, malady infectious diseases a rare genetic disease heart disease.

What is disease and its causes Class 9?

“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.

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