Immunity and Health
- Created by: dwang
- Created on: 26-02-11 13:48
Health is a state of mental, physical and social wellbeing, not just the absence of disease.
Disease is a departure from good health caused by a malfunction of the mind or body.
A parasite is an organism that lives in or on another living thing, causing harm to its host.
A pathogen is an organism that causes disease.
HIV/AIDs is caused by the Human Immunodeficiency Virus. The virus may remain dormant inside the person for a very long time. Once the virus becomes active it destroys T helper lymphocytes in the immune system which weakens the immune system making way for a range of opportunistic diseases such as Tuberculosis.
HIV can be transmitted through a number of ways:
. Blood Transfusion.
.Using used needles.
.From mother to child…
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