2.2 Reflex Actions

Question 1

What is the function of a relay neurone?

Answer 1

It passes the impulse on

Question 2

Define reflex

Answer 2

Rapid automatic response of the nervous system that does not involve conscious thought

Question 3

Define synapse

Answer 3

A gap between neurons where the transmission of information is chemical rather than electrical

Question 4

Define reflex arc

Answer 4

The sense organ, sensory neuron, relay neuron, motor neuron and effector organ which bring about a reflex action