Question

what is another name for the urinary system?
a nervous system
b renal system
c respiratory system
d endocrine system

Explanation:

The urinary system is also known as the renal system as it involves the kidneys (renal refers to the kidneys). The other options refer to different body - system functions: the nervous system deals with nerve impulses, the respiratory system with gas exchange, and the endocrine system with hormone production.

Answer:

B. renal system