Atool used in classification is

a key
a taxon
morphology
a phylum

Along with the kidneys, the ureters, bladder, and urethra make up the urinary system. match each function or description to the appropriate structure.

Which symbols below represent the ions found in the glass of water ? a. oh- and h+ b. co2 and o2 c. o2 and h2 d. nh3- and h+

Cells destroy body cells infected by a virus or bacteria.