In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Q: Question: In the kidney, sympathetic stimulation increases:
Options: <0> The renal excretion of sodium. <1> The renal excretion of water. <2> The radius of the afferent arteriole. <3> Glomerular filtration. <4> The release of renin.
A:
biology