What is a "Disease"?
A disease is defined as any dysfunctional process that interferes with the body's natural functioning. In other terms, sickness is a dysfunction in a person's physical, physiological, psychological, or social state caused by a lack of nutrition, a deficiency, a physiological problem, a genetic problem, a pathogen, or any other reason.
Types of Diseases
Parts of the Body Affected by Diseases
Disease | Affected Body Part |
Arthritis | Joints |
Asthma | Bronchial Muscles |
Cataract | Eyes |
Diabetes | Pancreas |
Diphtheria | Throat |
Eczema | Skin |
Glaucoma | Eyes |
Goitre | Thyroid Gland |
Jaundice | Liver |
Leukaemia | Blood (Bone Marrow) |
Malaria | Spleen |
Meningitis | Brain and Spinal Cord |
Otitis | Ears |
Paralysis | Nerves |
Pneumonia | Lungs |
Polio | Legs |
Pyorrhoea | Teeth and Gums |
Rheumatism | Joints |
Sinusitis | Inflammation of sinus linings |
Tonsillitis | Tonsils |
Trachoma | Eyes |
Tuberculosis | Lungs |
Typhoid | Intestines |
Diseases and Causative Agents
Causative Agent | Disease |
Bacteria | Diphtheria, Gonorrhoea, Meningitis, Cholera, Leprosy, Typhoid, Tetanus, Tuberculosis, Plague, Whooping Cough, Pneumonia |
Virus | Chicken Pox, Small Pox, Measle, Mumps, AIDS, Yellow fever, Influenza, Dengue fever, Rabies, Polio-meritis phelebotomus |
Protozoans | Malaria, Sleeping sickness, Kala-azar, Leishmaniasis, Amoebic dysentery |
Fungus | Athlete's foot, Ringworms, Madura foot, Dhobi's itch |
Helminths | Filaria, Tapeworm and Hookworm transmission |
List of Diseases Spread through Viruses
Name of disease | Description |
Common cold |
|
Smallpox |
|
Influenza |
|
Measles |
|
Chickenpox |
|
Mumps |
|
German measles (Rubella) |
|
Poliomyelitis (polio) |
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Yellow fever |
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Zika disease |
|
AIDS |
|
Ebola haemorrhagic fever |
|
List of Diseases Caused by Bacteria
Name of disease | Description |
Whooping cough (Pertussis) |
|
Diphtheria |
|
Tuberculosis (TB) |
|
Gonorrhoea |
|
Tetanus |
|
Syphilis |
|
Cholera |
|
Bacterial food poisoning (gastro enteritis or salmonellosis) |
|
Typhoid fever |
|
Bacterial dysentery |
|
Important Information about Human Body
- Biggest Organ: Skin
- Heart Beat: 72 times in a minute
- Largest Gland: liver
- Number of Bone: 206
- Number of Muscles: 640
- Number of chromosomes: 46 or 23 pairs
- Normal Blood Pressure: 80 to 120
- Teeth: 32
- The volume of Blood: About 7 litres in the normal body or about 7% of the total body weight.
- Largest; Part of the human Brain: Cerebrum
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