Coordinated Body Systems

3. The gap between two neurones.
6. Hormone that regulates the volume of water in urine.
7. Chemical involved in the conduction of nerve impulses.
10. Portion of the nervous system that slows down the body, active when resting.
12. Name for the brain and spinal chord.
16. The straight, central portion of a neuron.
17. Hormone responsible for reducing the amount of glucose in the blood.
18. A factor that activates a receptor.

1. Process by which energy is released, requiring oxygen.
2. Part of the brain involved in checking the internal environment.
4. Type of cell capable of detecting a stimulus.
5. Division of the nervous system that coordinates movement of the body and information from sensory organs.
8. The process by which particles move from areas of high concentration to low concentration.
9. Branches fo the neurone that receive messages from other neurons.
11. Hormone responsible for turning glycogen into glucose.
12. Chemical that reduces the amount of energy required for a reaction to occur.
13. An organic catalyst.
14. Part of the nervous system that speeds up body functions.
15. All of the chemical reactions occurring in the body.