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
explain skin secretions - external defence mechanismthe oil and sweat secreted by sebaceous and soporiferous glands contains fatty and lactic acids
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
explain bile - external defence mechanismit is an alkaline secretion of the liver which checks the growth of foreign bacteria on the partially
explain nasal secretions and cerumennasal secretions these can destroy harmful organisms due to lysosomal activitiescerumen wax of ear it traps and
explain vaginal bacteria - external defence mechanismvaginal bacteria certain bacteria normally live in the vagina they produce lactic acid which
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