Multiple choice

The urinary system is also known as

  1. the lymphatic system

  2. an immune system

  3. the renal system

  4. the circulatory system

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Urinary System may also be called the Renal System because this group of inter-connected body parts process a liquid substance called urine via specialist organs called the kidneys. The word renal means pertaining to the kidneys, so this group of tissues and organs is either named after the substance it processes (urine; Urinary System), or the organ that does most of the work (kidneys, Renal System).

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