This ancient document contains descriptions about the brain.

My dream is to become a neurosurgeon.

His nose is very big.

My nose is stuffed up because of a cold.

The parasympathetic nervous system helps our body to relax and conserve energy.

This is my first question.

His sense of smell is very sharp.

He is devoted to the study of the olfactory brain.

Olfactory cells play a role in sensing smells in the nose.

I am majoring in information science.