explain saliva - external defence mechanismsaliva
Explain Saliva - External Defence Mechanism
Saliva contains microorganisms which are not the normal inhabitants. Dead microbes are passively flushed by the saliva and are swallowed.
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explain physical barrier for external defence mechanism - skinit provides nice protective covering to the body the outer layer- horny layer -
explain mucous membranes - external defence mechanismmucous membranes the digestive urinary genital and respiratory tracts open out at one or both
explain role of the mucous in body systems and organs- the gastrointestinal tract the microbes which enter through the mouth are caught in the mucous
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explain saliva - external defence mechanismsaliva contains microorganisms which are not the normal inhabitants dead microbes are passively flushed by
explain gut secretions - external defence mechanismfrom the saliva and respiratory tract bacteria reach the gut here they are killed by the
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explain vaginal bacteria - external defence mechanismvaginal bacteria certain bacteria normally live in the vagina they produce lactic acid which
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