Given the task definition and input, reply with output. 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.

Question: Indicate the correct answer:
Options: <0> The enteric nervous system consists of the submucosal plexus and the myenteric plexus. <1> The myenteric plexus has sensory and motor neurons. <2> The myenteric plexus regulates the movements of the mucosa and the secretion of glands and the submucosal plexus regulates gastric motility. <3> 1 and 2 are correct. <4> All are correct.
nursery