How the Nervous System Works
What type of network is the Nervous System?
A complex network
The definition of a Neuron is______.
A nerve cell.
___________ is the largest and most complex part of the brain.
The cerebrum
T/F: The PNS is made up of the nerves that ARE in the brain and spinal cord.
False: It is NOT made up of nerves in the brain and spinal cord.
Name the BIG 3
Brain, spinal cord, and nerves.
Name the three types of neurons.
Sensory, motor, and interneuron.
Which hemisphere is the center for spatial relationships?
The right hemisphere.
What function does the PNS do?
It gathers information from inside and outside your body.
Which Neuron carries messages from the CNS back to muscles or glands in response to an impulse?
Motor Neurons
Name the four types of lobes that the brain has.
Frontal, Parietal, Occipital, and Temporal.
Who does the CNS receive messages from?
The Peripheral Nervous System (PNS)
The cell body contains the nucleus, which regulates the _______________ within the cell.
Production of proteins
Why is the brain stem so important?
All the impulses that the CNS send out (motor) and the PNS send out (sensory) go through this. The brain stem is the bridge connecting the two.
skin
How does a nerve impulse begin?
When a sensory receptor (like the skin) is stimulated.
Define the medulla oblongata.
Regulates heartbeat, respiratory rate, and reflexes such as coughing and sneezing.