What are the 2 major categories of the nervous system?
The central and peripheral nervous systems
What system consists of the brain and spinal cord?
Which system comprises all nerves that extend outward from the brain and spinal cord?
Where do cranial nerves come out of and what do they serve?
Cranial nerves come out of the brain and serve the head and neck area
How many pairs of cranial nerves are there?
In how many directions fo neurons transmit a message?
What is a nerve?
A bundle of neurons
What are the 2 types of neurons?
Sensory and motor
Can nerves contain both sensory and motor neurons?
The brain and spinal cord are made up of _____ and ______.
Sensory and motor neurons
How does our bodies react to pain?
The pain is transmitted by a receptor that brings the message to the brain. The brain then interprets the pain and sends a motor message down the spinal cord which is then picked up by a peripheral nerve and sends it to the muscles that react to the pain
What chain are the brain and spinal cord part of?
The sensory chain
What are the 3 groups of the PNS?
Spinal nerves, cranial nerves and the autonomic nervous system