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Biology chap 1

QuestionAnswer
Can all microrganmims harmful NO SOME GOOD
what is disease description of symtoms either physical mental a or both.
Disease means malfunction of body mind, tht has adverse affects on good health.
TO CAUSE DIESEESE A PATHOGEN MUST GAIN ENTRY TO HOST , COLONISE HOST RESIST DEFENCES OF HOST CAUSE DAMAGE TO HOST TISSUE
IF INFECTION GET INTO HOST AND COLONISE TISSUE INFECTION CAUSED.
DISEASE CAUSED WHEN INFECTION .. LEADS TO RECOGNISABLE SYMTOMS
PASSING ON PATHOGEN IS CALLED TRANSMMISSION
WHAT IS AND INTERFACE A SURFACE OF BOUNDRY LINKING SYTSTEM TOGETEHR.
SOME INTERFACES ARE INVOLVED IN TRANSPORTING MATERIALS IN AND OUT OF BODY
HOW ARE INTERFACES ADAPTED FOR THIS STICKY LAYER , THICK LARGE SURFACE AREA WELL SUPPLIED WITH BLOOD VESSLES.
MICROORGANSM ENTRY THROUGH INTERFACES OF THE BODY
WHTA PATHOGENS ENTERS THREOUGH GASS EXXCNAGED SYSTEM... TB, BRONCHITIS ,FLU.
WHAT PATHOGENS ENTER VIA DIGESTIVE SYSTEM... CHOLERA ,TYPHOID ,DYSENTERY.
WHAT ARE 3 PREVENTIONS OF PATHOGENS... STICKY MUCUS LAYER, COVER EXCHNAGE SURFACES.
WHAT DO THE THICK STICKY LAYER CAUSE DIFFICULT TO PENETRATE
Created by: ufuoma
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