Ex

  Biology (NTSE/Olympiad)  

5. Human Disease

Symptoms

Symptoms : These are the manifestations or evidences of the presence of disease(s). Symptoms indicate that there is some abnormality in the body. For instance, we have headache or cough or loose motions or wound with pus, all these are symptoms of some disease(s).
On the basis of the symptoms, the physicians do the following :
They look for the signs of a particular disease.
They get laboratory tests done on the patients to further confirm the disease.
Signs: These provide information about the presence of particular disease. These are distinct for different diseases.
Differences between symptoms and signs of diseasesSymptoms Signs1. Symptoms indicate the presence of disease 1. Signs provide information about the presence of particular disease.2. These are the manifestations or evidences of the presence of disease(s) of various body parts 2. These are distinct for different diseases.

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