Across
- 3. Consists of the brain and spinal cord and is the origin of all complex commands and decisions.
- 6. The basic building blocks of the nervous system which transmit chemical and electrical signals
- 8. Which system transmits information to and from internal bodily organs and is involuntary
- 10. The theory that different areas of the brain are responsible for specific behaviours or processes
- 11. Sends information to the CNS from the outside world, and transmits messages from the CNS to muscles/glands.
Down
- 1. What communicates with the next neuron in the chain across the synapse?
- 2. What carries impulses or action potentials away from the cell body towards the postsynaptic neuron?
- 4. When neurotransmitters increase the positive charge of the postsynaptic neuron this increases the likelihood of it firing the impulse on
- 5. How does the postsynaptic neuron decide whether to fire a neurotransmitter or not?
- 7. Which system instructs glands to release hormones directly into the bloodstream.
- 9. Which area of the brain receives and processes visual information?
