He made an inconsiderate remark and hurt everyone.

I was really surprised by his inconsiderate behavior.

He is an expert in neurology.

He was studying with his nerves on edge the day before the exam.

His reflexes are very sharp.

When the sympathetic nerves are activated, the heart rate increases.

He lost consciousness due to the effects of nerve gas.

Chemotransmitters play an important role in the transmission of information between nerve cells.

He is learning about phylogenetic trees in his biology class.

A large pagoda tree is planted in the park.