The best replacement for organs is tissues.

The best alternatives to organs are rated as following:
★★★★★  tissues
★★  retroperitoneal organs
★★  structures
★★  organelles
★★  solid organs
★★  electronic organs
★  glands
★  human organs
★  peritoneal
★  special sense organs
★  muscle spindles
★  peritoneal organs
  b4
  hollow organs
  tissue
  allen organs

Your alternative for organs is not listed? Suggest!
Speaking about organs, one probably shouldn't forget about bodies.

Other search terms related to organs and their ratings are:
★★★★★ bodies
★★★ bodies zizek
body
You have in mind a companion for organs and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of organs in all years. Click on graph for more.
organs
tissues
retroperitoneal organs