This system is very complex.

The Transmission Control Protocol is an important element for ensuring the reliability of data communication.

He is working as an agent for the Central Intelligence Agency.

Geographic Information Systems are very useful tools for map making and spatial data analysis.

We will create a map using geographical information.

Neuroanatomy is an important field of study for understanding the structure and function of the brain.

My father has been suffering from sciatica for a long time.

The sympathetic ganglion is a part of our autonomic nervous system and controls various functions of the body.

The parasympathetic nerves help our body to relax and conserve energy.

He was hit hard in the solar plexus during the boxing match.