EntityQ937912· pop 15· linked from 186 articlescountercurrent exchangeSign in to savemechanism occurring in nature and mimicked in industry and engineeringConnectionskidneyEntitygillEntitysemipermeable membraneEntitybiologyEntitybirdEntitygoldEntityfishEntityhydrogenEntitynatureEntitysodiumEntitypotassiumEntitytitaniumEntityInternational Standard Book NumberEntitycobaltEntitynickelEntitythermodynamicsEntityheatEntitydolphinEntityionEntitymethaneEntityCategoriesAnimal anatomyChemical process engineeringHeat transferIndustrial processesRenal physiology