Humans have microscopic subunits in the kidneys called _____ to filter blood, and spiders have _____ to absorb salts and wastes.
nephridia; nephrons
nephrons; Malpighian tubules
setae; nephridia
Humans have microscopic subunits in the kidneys called nephrons to filter blood, and spiders have Malpighian tubes to absorb salts and wastes. Hope this helped! :)
