What is disease Class 8?

What is disease Class 8?

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

What are 8 infectious diseases?

Infectious diseases can be any of the following:

• Chickenpox.
• Common cold.
• Diphtheria.
• E. coli.
• Giardiasis.
• HIV/AIDS.
• Infectious mononucleosis.
• Influenza (flu)

What is disease in biology 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 are the types of diseases Class 8?

Answer:

What are types of disease?

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.

What are the 2 main types of disease?

Diseases can be grouped into two types: communicable , which are caused by pathogens and can be transferred from one person to another, or from one organism to another – in humans these include measles, food poisoning and malaria. non-communicable , which are not transferred between people or other organisms.

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.

What are the 5 main diseases?

So, without further ado, here are the five most common infectious diseases.

• Hepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.
• Malaria.
• Hepatitis C.
• Dengue.
• Tuberculosis.

How many types of disease are there?

What is disease Ncert?

“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 are the 5 causes of disease?

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. Some infectious diseases are minor and some are very serious.
…
These include:

• Viruses.
• Bacteria.
• Fungi.
• Parasites.
• Prions.

What are 2 types of diseases?

Types of Diseases

• Infectious diseases.
• Non-infectious diseases.

What is 6 killer disease?

The outcomes of these six diseases viz. diphtheria pertussis, tuberculosis, measles, tetanus, polio makes the child handicapped not only at their initial stages of their growth and development but also has a long term deleterious effect in their adulthood and later on.

What is silent disease?

A disease that produces no clinically obvious symptoms or signs. Examples include hypertension, many forms of cancer (including small lesions of the breast and prostate cancer), and hearing loss, which may be either not noticed or denied by the individual.

How do you have a silent death?

Carbon monoxide (CO) is a gas that can kill you quickly. It is called the “silent killer” because it is colorless, odorless, tasteless and non- irritating. If the early signs of CO poisoning are ignored, a person may lose consciousness and be unable to escape the danger.

Which disease has no cure?

cancer. dementia, including Alzheimer’s disease. advanced lung, heart, kidney and liver disease. stroke and other neurological diseases, including motor neurone disease and multiple sclerosis.

Why do most deaths occur at night?

At this time, adrenaline and anti-inflammatory hormones are at their lowest which causes airways to narrow. Spasm triggering compounds are also at the highest at this time and a person is more likely to die at this time according to Harvard medical research.

What is the number 1 silent killer?

Often referred to as the “silent killer” because it may show no symptoms, high blood pressure puts you at an increased risk for heart disease, heart failure, and stroke, among other things.

What is the most difficult disease to cure?

Drug-resistant tuberculosis is not only airborne and lethal; it’s one of the most difficult diseases in the world to cure.

What is the rarest disease in history?

According to the Journal of Molecular Medicine, Ribose-5 phosphate isomerase deficiency, or RPI Deficinecy, is the rarest disease in the world with MRI and DNA analysis providing only one case in history.

What is the last breath before death called?

Agonal breathing or agonal gasps are the last reflexes of the dying brain. They are generally viewed as a sign of death, and can happen after the heart has stopped beating.

When someone is dying what do they see?

Visions and Hallucinations

Visual or auditory hallucinations are often part of the dying experience. The appearance of family members or loved ones who have died is common. These visions are considered normal. The dying may turn their focus to “another world” and talk to people or see things that others do not see.

What is the average blood pressure for a 70 year old?

Normal blood pressure for most adults is defined as a systolic pressure of less than 120 and a diastolic pressure of less than 80.

What time of day is blood pressure highest?

Usually, blood pressure starts to rise a few hours before a person wakes up. It continues to rise during the day, peaking in midday. Blood pressure typically drops in the late afternoon and evening. Blood pressure is usually lower at night while sleeping.

What disease has no cure?

Some of the common medical conditions of people requiring care at the end of life include:

• cancer.
• dementia, including Alzheimer’s disease.
• advanced lung, heart, kidney and liver disease.
• stroke and other neurological diseases, including motor neurone disease and multiple sclerosis.
• Huntington’s disease.
• muscular dystrophy.