Nervous System

6. – Branch-like extensions of a neuron that receive signals from other neurons.
7. Nervous System – Part of the PNS that controls voluntary movements by activating skeletal muscles.
8. Nervous System – A branch of the ANS that activates the body's "fight or flight" response.
10. – The largest part of the brain, associated with higher brain functions like thought and action.
13. Nervous System (CNS) – Composed of the brain and spinal cord, responsible for processing and sending out information.
14. Nervous System (PNS) – The network of nerves outside the CNS that connects the rest of the body to the brain and spinal cord.
15. – The junction between two neurons, where neurotransmitters are released to pass signals.
17. Potential – The rapid electrical signal that travels along a neuron when it is activated.

1. Nervous System (ANS) – Controls involuntary functions like heartbeat, digestion, and breathing.
2. – The part of the brain that connects the spinal cord to the rest of the brain, responsible for basic functions like breathing and heart rate.
3. – Chemicals that transmit signals across a synapse from one neuron to another.
4. Nervous System – A branch of the ANS that conserves energy and promotes "rest and digest" functions.
5. – A fatty substance that insulates axons, speeding up the transmission of nerve impulses.
9. – A region of the brain that coordinates movement and balance.
11. Cord – A long, thin bundle of nerves that extends from the brain and transmits signals to and from the body.
12. – A nerve cell that transmits electrical signals throughout the body.
16. – The long, slender part of a neuron that carries nerve impulses away from the cell body.