Y10 - Reflex arc

Front

What is included in the central nervous system (CNS)?

Back

The brain and spinal cord.

Front

What is a stimulus in the context of the nervous system?

Back

A stimulus is any change in the environment that can provoke a response from the nervous system.

Front

What moves across the synapse?

Back

Chemical messenger.

Front

What is the role of neurotransmitters in the nervous system?

Back

To transmit signals between neurons.

Front

What is a sensory neurone?

Back

A sensory neurone is a type of nerve cell that carries signals from sensory receptors to the central nervous system.

Front

What is a motor neurone?

Back

A motor neurone is a type of nerve cell that transmits signals from the central nervous system to muscles, causing movement.

Front

What is a relay neurone?

Back

A relay neurone is a type of nerve cell that connects sensory and motor neurones within the central nervous system.

Front

What is the function of the brain in the CNS?

Back

The brain processes information and coordinates responses.

Front

What is the function of the spinal cord in the CNS?

Back

The spinal cord transmits signals between the brain and the rest of the body.

Front

What is an electrical impulse?

Back

An electrical impulse is a rapid change in electrical charge that travels along a neurone.