Nervous system

4. The brain _______ controls vision and hearing reflexes, heart rate and respiration
6. A chemical that diffuses across the gap between two neurons
7. A sodium/potassium _______ uses ATP energy to restore ion concentrations across the cell membrane so that a neuron can fire again
12. A cell that detects a stimulus
13. The substance that forms a fatty protective sheath around axons in areas of white matter
14. The long thin extension of a neuron which carries impulses away from the cell body, towards the synapse
15. The part of the brain that controls the pituitary gland and homeostasis
16. The part of the brain that is responsible for conscious thought, logic, and reasoning
17. The division of the nervous system responsible for voluntary control of skeletal muscles
19. The ______ nervous system consists of the brain and spinal cord.
22. During resting potential a neuron's cell membrane is ________
23. A small gap between two neurons, or between a neuron and an effector
24. cells that support and protect neurons
25. A muscle or gland that carries out a response

1. The ____________ nervous system is controlled involuntarily; its effectors are smooth muscle, cardiac muscle and glands
2. One half of the cerebrum
3. A _________ fibre carries impulses from a receptor towards the central nervous system
5. The ___________ controls our voluntary muscles
8. A ________ fibre carries impulses from the central nervous system out to an effector
9. The bones that surround and protect the spinal cord
10. The division of the autonomic nervous system that operates under "rest and digest" conditions
11. The brain region that contains the thalamus and hypothalamus
18. A complete pathway through the nervous system, from receptor to effector, is called a reflex ____
20. ________ nerves carry impulses to/from the brain
21. During _________ potential, movement of ions across the cell membrane causes a electrical wave