nervous system

noun
UK /ˈnɜː.vəs ˌsɪs.təm/
US /ˈnɝː.vəs ˌsɪs.təm/

Your body's control team that tells your brain and body what to do and feel.

When you touch something hot, your nervous system quickly tells you to pull your hand away.


OTHER MEANINGS

2. The network of nerve cells and fibers that transmits signals between different parts of the body.

The doctor explained how the nervous system carries messages from the brain to the muscles.

3. In biology, the organ system responsible for sensing the environment and coordinating responses.

Scientists study the nervous system of insects to understand how they react to light.

4. A figurative way to describe the people or parts that keep an organization running smoothly.

The IT department is the nervous system of the company, keeping everything connected.