器き官かん系けい

noun

organ system

Technical term in anatomy and biology for a group of organs that work together to perform a major bodily function.

• 消しょう化か器き官かん系けいは、口くちから肛こう門もんまでの一いち連れんの器き官かんからなる。

  The digestive organ system consists of a series of organs from the mouth to the anus.