How does the skin help in preventing the entry of germs
in the body?
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The skin forms an outer layer physical barrier which prevents the entry of germs.
- Protecting our body is one of the main functions of the skin.
- Skin is our largest organ.
- This protects the body from harmful bacteria, viruses.
- The skin has some chemical substance called keratin.
- Keratin fight against germs.
- It kills the bacteria.
- The melanin protects from ultraviolet rays.
- Epidermis also act as a protecting barrier.
- It keeps bacteria and germs away.
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