what is the function of the brain?
To process think and send reactions to the body.
what is the main purpose of the spinal cord?
To transfer the sensory input to the brain and to send motor reaction to the muscles.
What does the peripheral nervous system do.
Sends outside sensory information to the spinal cord up to the brain.
How does the nervous system transmit messages?
By taking signals from the PNS and sending the signals to the brain and returning a signal from the brain.
what does the sympathetic and parasympathetic nervous system do?
sympathetic triggers fight or flight response and the parasympathetic nervous system calms the body
What is the purpose of the brain stem?
To control the the involuntary actions and to emit signals to and from the brain.
what are the nerves in your in the spinal cord made up of?
neurons axons dendrites
bonus myelin sheath
What type of receptor in the nervous system only fires to indicate pain?
Nociceptors.
what does the CNS consist of?
The spinal cord and the brain.
Which system is used for digestion?
The parasympathetic nervous system.
What are the three main parts of the brain?
The Cerebellum, the cerebrum and the brain stem.
what part in the process of sending a signal of a stimuli does the spinal cord play a part in?
receiving signals from the peripheral nervous system and sending them to the brain and then sending a response from the brain and to motor reactors.
What are the different types of nerve sensory receptors?
Thermal receptors chemoreceptors photoreceptors mechanoreceptors and nociceptors.
what is the central nervous systems purpose?
to send the information from the PNS to the brain.
What does the sympathetic nervous system do in a time of stress?
Amp up the bodies heart rate and trigger the fight or flight response.
What part of the brain controls body coordination?
The cerebellum
How do the different regions of the spinal cord correspond to the parts of the body they control?
the cervical region controls the upper parts the thoracic region controls the chest, and abdomen the lumbar region controls the legs and the sacral region controls the feet.
Name where the different receptors might reside?
Potoreceptors eyes.
Mechanoreceptors and nociceptors thermalreceptors: skin.
Chemoreceptors: nose.
What signals can the central nervous system send or control?
Every function.
Were is the sympathetic nervous system located on the spine?
In the midsection in between the thoracolumbar.
Name the four brain lobes and what they do?
Frontal lobe is responsible for the thinking and reasoning as well as personality the parietal lobe is in control of sensory perception and orientation. The occipital lobe is in charge of sight and recognition of objects and faces. the temporal lobe is in charge of auditory information emotion and emotional processing.
Were do the sympathetic nervous system lie relating to the spinal cord?
The sympathetic system in the thoracolumbar area and the parasympathetic nervous system in the craniosacral area.
How many nerves does the peripheral nervous system have?
43
Are reflexive actions caused by the CNS?
Yes reflex actions are caused by the Central Nervous System.
what is the meaning of the word sympathetic in the way of the word sympathetic nervous system?
a greek term that translates to together feeling because of the unified effect that the nerves can produce.