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Why do we ill

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Why do we ill

    • Posted by Mr Nandan Hacker 5 years, 7 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Meghna Thapar 5 years, 7 months ago

    There are two types of factors that causes diseases – extrinsic factors and intrinsic factors.

    1. The disease causing factors which exist within the human body are called intrinsic factors. Example – malfunctioning of various body parts, hormonal imbalances, genetic disorder, etc.
    2. The disease causing external agents which enter the human body from outside are referred to as extrinsic factors. Example – unbalanced diet, environmental pollutants, etc.

    0Thank You

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