1. What is the name of the branched endings of the neurones?
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2. How do the neurones connect in a spinal reflex?
- Relay > Motor > Sensory
- Relay > Sensory > Motor
- Motor > Sensory > Relay
- Sensory > Motor > Relay
- Sensory > Relay > Motor
- Motor > Relay > Sensory
3. What does the transmitter substance bind with once it has diffused across the synapse?
- Relay neurones
- Transmitter molecules
- Receptor molecules
- Motor neurones
4. Why do neurones have fatty sheaths?
- So neurones don't get too close together
- So electrical impulses don't cross over
- So electrical impulses get to the second neurone faster
- So the axon's of the neurones don't get tangled together
5. What happens when an impulse reaches a neurone?
- It sends information to the next neurone
- It triggers the release of transmitter substances
- It sets off the effector
- The neurones bind together