A virus such as influenza is only one type of pathogen that can invade the human...

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Biology

A virus such as influenza is only one type of pathogen that caninvade the human body and cause disease. Different pathogensinteract with different components of the immune system indifferent ways.
(a) Describe the role of skin and mucosae as surface barriersand the mechanisms that enable these anatomical structures toprevent infections.
(b) Discuss three examples of how the lymphatic and immunesystems work together both structurally and functionally to fightinfections such as influenza.

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Defence against infections Skin Skin is the natural barrier against infections Only when it is damaged the infections may enter the body Skin has several layers outer skin is thick and prevents any pathogen entry Glands present in the skin secrete sweat and oil which prevents the pathogen growth on skin Tiny hairs present in the ears and nose also prevent the pathogen entry Mucous membrane Pathogens can enter through mouth nose or eye Thus to prevent this entry these regions have the mucous membrane Eye secretes tears to prevent the infection Mouth saliva is secreted Saliva has enzymes that can break the bacterial See Answer

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