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.
T/F: Making healthful choices can protect your nervous system from injury.
True, keeps the nervous system functioning properly.
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.
The Autonomic Nervous System controls involuntary such as ____________.
Digestion, heart rate and/or breathing
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.
T/F: You always want to be in your Sympathetic Nervous System when you are "resting and digesting".
False: SNS is your "fight or flight", and if you are always in it then you need to go see a doctor please.
How many American children and teens sustain brains injuries?
435,000
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.
A ________ is the body's spontaneous response to a stimulus.
Reflex
What does Multiple Sclerosis, Parkinson' Disease, and Alzheimer's all have in common?
They all are degenerative nervous system diseases that over time break down cells.
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.
Define the Somatic Nervous System
The voluntary responses that are under your control. (Examples: What you see with eyes, hear with ears, smell with nose, taste with your tongue, and feel with your skin.)
What are two ways patients can cope with cerebral palsy?
Physical Therapy and medications