Parts of the Nervous System
The body system that controls and coordinates body activities.
What is the nervous system?
The organ that controls thinking, memory, and emotions.
What is the brain?
The basic cell of the nervous system.
What is a neuron?
Actions you choose to do, like walking or writing.
What are voluntary actions?
The bones that protect the brain.
What is the skull?
The two main divisions of the nervous system.
What are the central nervous system and peripheral nervous system?
The long bundle of nerves that carries messages between the brain and body.
What is the spinal cord?
The part of the neuron that carries messages away from the cell body.
What is the axon?
The system that controls voluntary movements.
What is the somatic nervous system?
The bones that protect the spinal cord.
What are vertebrae?
The system made of the brain and spinal cord.
What is the central nervous system?
The part of the brain responsible for balance and coordination.
What is the cerebellum?
The branch-like parts that receive signals.
What are dendrites?
The system controlling automatic body functions like heartbeat.
What is the autonomic nervous system?
The protective membranes surrounding the brain and spinal cord.
What are the meninges?
The system made of nerves that connect the CNS to the rest of the body.
What is the peripheral nervous system?
The largest part of the brain responsible for thinking and voluntary actions.
What is the cerebrum?
Electrical messages traveling through neurons are called this.
What are nerve impulses?
The division that prepares the body for action or danger.
What is the sympathetic nervous system?
The fluid that cushions the brain and spinal cord.
What is cerebrospinal fluid?
These carry messages between the brain, spinal cord, and body.
What are nerves?
This part of the brain controls breathing and heartbeat
What is the brain stem (medulla)?
The small gap where signals pass from one neuron to another.
What is a synapse?
The division that helps the body relax and return to normal.
What is the parasympathetic nervous system?
A fast automatic response to danger like pulling your hand away from heat.
What is a reflex?