Question

which organ system alters kidney function?
a the respiratory system
b the excretory system
c the nervous system
d the immune system
hmm, that wasnt the right answer. lets give it one more try.

Explanation:

The nervous system can alter kidney function. Nerve signals can influence blood - flow to the kidneys and the release of hormones related to kidney function. For example, the sympathetic nervous system can constrict blood vessels in the kidneys, reducing blood flow and affecting filtration rates.

Answer:

C. the nervous system