Nerve

6. Facilitates communication between the CNS and the body's organs, muscles, and sensory receptors.
9. Responsible for higher-level functions like reasoning, planning, and voluntary movement.
11. Transmits information between the brain and the body, serving as a reflex center.
13. Conducts electrical impulses away from the cell body to other neurons, muscles, or glands.
14. Insulates axons, speeding up the transmission of electrical impulses and providing protection.
15. Evoke responses from sensory receptors, initiating signal transmission to the CNS.
16. Provide protection, stability, and cushioning for the brain and spinal cord.
17. Involuntary responses to stimuli, mediated primarily by the spinal cord.

1. Receives signals from other neurons and conducts stimulation to the cell body.
2. Responsible for processing sensory information and coordinating bodily functions, comprising the brain and spinal cord.
3. Surrounds the brain and spinal cord, transporting nutrients and regulating pressure.
4. Maintains stable internal conditions within an organism despite external changes.
5. Mobilizes the body's resources in response to stress or danger.
7. Specialized cell transmitting nerve impulses, consisting of a cell body, dendrites, and an axon.
8. Promotes relaxation, rest, and digestion.
10. Responsible for higher brain functions such as thought, memory, and emotion.
12. Maintains balance within an organism's internal environment through regulatory mechanisms.