Lesson 4 Science Vocabulary Brain and Nervous System

Front

What does it mean to dissect something?

Back

To take something apart to study it.

Front

What is an illusion in the context of the brain?

Back

Something that tricks or confuses your brain.

Front

What are motor nerves?

Back

The parts of your body that carry signals from the brain to muscles.

Front

Define a system in biological terms.

Back

A group of things that affect each other and function as a whole.

Front

What is the function of the brain?

Back

A part of the body that receives, processes, and responds to signals from nerves.

Front

What is the role of sensory nerves?

Back

They carry signals from sensory organs to the brain.

Front

What is the central nervous system composed of?

Back

The brain and spinal cord.

Front

What is the function of the spinal cord?

Back

To transmit signals between the brain and the rest of the body.

Front

What is a neuron?

Back

A nerve cell that transmits signals throughout the body.

Front

What is the difference between the sympathetic and parasympathetic nervous systems?

Back

The sympathetic nervous system prepares the body for 'fight or flight' responses, while the parasympathetic nervous system promotes 'rest and digest' functions.