Question

what is the function of medulla?

Answer 1

medulla :
Involuntary actions including blood pressure , salivation , vomiting comes under this

Answer 2

The medulla is easily the most important part of the brain. It's functions are involuntary, or done without thought.  We would not be able to live without the medulla because of the myriad of crucial tasks it performs including regulating blood pressure and breathing. As a part of the brain stem, it also helps transfer neural messages from the brain to the spinal cord.