capillaries rodents cobra bats animals beetles food housefly mites ticks fleas ants wasps snakes environment forestry livestock damage crops humans organism pest parasympathetic sympathetic nor-adrenaline adrenaline serum plasma rh factor blood group perkinje fiber a.v. node s.a. node ventricles auricles tissue blood clotting factor veins arteries heart circulatory system chloride shift carbon dioxide oxygen intercostal muscle diaphragm tissues cells rbcs gas exchange blood heamoglobin respiratory pigments alveoli lungs respiratory organs expiration inspiration respiratory system respiration nerve cells neurons platyhelminth liver fluke fasciola hepatica trypanosomiasis castellani ford and dutton (1902) cerebrospinal fluid gambian fever melarsen melarsoprol atoxyl bayer 205 glossina morsitans. trypanosoma rhodesiense: trypanosoma cruzi trypanosoma gambience tsetse fly (glossina species) trypanosoma sleeping sickness african trypanosomiasis https://www.slideshare.net/upl
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