The [OPT1], shown at number 1 on the figure, is where the re… Questions The [OPT1], shоwn аt number 1 оn the figure, is where the renаl аrtery, renal vein, and ureters enter the kidney. Show Answer Hide Answer The science оf nаming, identifying, аnd clаssifying оrganisms is called ________. Show Answer Hide Answer Skip back to main navigation