She was a nerve rack before the big presentation.

She was nerve-racked before her big presentation.

She was feeling nerve-wreck before her big presentation.

She was nerve-wracked before her big presentation.

Dealing with nerve-wrecks can be quite challenging.

The parasympathetic nervous systems regulate rest and digestion.

She tends to lose her nerve during important presentations.

The cavernous nerves are responsible for the regulation of blood flow in the penis.

The cochlear nerves transmit auditory information from the inner ear to the brain.

She was as nervous as a whore in church.