- Thekidneyssecreteurine.Andlastly,theysecreteahormonecalledrelaxin.Squirrelssecreteasupplyofnutsforwinter.ManybacteriasecreteAHLs,andsimultaneouslyabsorbthemfromtheirsurroundings.Sebaceousglandssecreteoil-likesebumforlubricatingthehairandskin.Manypois...
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