Last seen: Jan 25, 2021
For an infectious diseased person in the family following precautions should be taken: (1) The surroundings and the house should be clean. (2) The...
The basic conditions for good health are: (1) Proper balanced and nutritious diet (2) Personal hygiene (3) Clean surroundings and clean envir...
The common methods of transmission of diseases are: (1) By air – cough, cold, tuberculosis (2) By food and water – typhoid, jaundice (3) By mosq...
The three limitations are: (1) If someone has a disease, their body functions are damaged and may never recover completely. (2) As the treatment w...
This is because the immune system of our body is normally fighting off microbes. Our body have cells that are specialised in killing infecting microbe...
AIDS is Acquired Immuno Deficiency Syndrome, it is caused due to HIV - human immuno deficiency virus. This virus reduces the immunity of human body. ...
Malaria is caused by protozoa that lives in blood. This parasite enters our body through a female Anopheles mosquito bite which is the vector, visits ...
The viruses lie on the border line of living and non-living organisms. The viruses can live, grow and multiply only inside the host body. They cannot ...
The disease specific means of prevention are the use of vaccines. The vaccines, are used against tetanus, diphtheria, whooping cough, measles, polio a...
Microbes can be killed by using medicines. These microbes are of different categories- virus, bacteria, fungi or protoza. Each of these groups of or...
Doctors advise to take bed rest for sick patients so that they can conserve their energy which can be used for healing of their body organs which were...
Malaria: Infects liver and red blood cells Jaundice: Infects the liver. Japanese encephalitis: Infects the brain Typhoid: Infects blood.
Cholera is an infectious disease that spreads due to unsafe water. It can spread in a locality; if a person suffering from cholera lives in the locali...
Antibiotics block the biochemical pathway of bacteria by which it makes a protective cell wall around it. Antibiotic does not allow the bacteria to ma...
Penicillin antibiotic blocks the bacterial processes that build the cell wall. Due to this drug, the bacteria is unable to make a protective cell wall...
Vaccine is a chemical /drug given in advance to a body to give immunity against certain diseases. Vaccines given to children are: (a) BCG - for tu...
Two main causes of disease are immediate cause and contributory cause. Immediate cause: This is due to the organisms that enter our body and cause ...
Acute disease 1. It may last for few days. 2. It does not have major effect on body. Chronic disease 1. It lasts for longer period. 2. It af...
HIV virus causes AIDS HIV - Human Immuno Deficiency Virus.
Jaundice – liver Tuberculosis – lungs