Afferent nerves carry impulses to the CNS (central nervous system: brain/spinal chord).
the one that gets on your nerves.
sensory neurons
Olfactory Nerve
vestibulocochlear nerve
There is a nerve somewhere within your heart that stimulates the brain and triggers the love hormones.
Yes , they have nerve endings which the chicken's brain interprets as pain .
They can numb the pain or they can stop the nerve the says "ow" from reaching your brain.
Severing the nerve blocks the ability of pain signals to reach the brain. Therefore, the brain can not sense pain.
No because it has no nerve endings. That's why brain surgeries can be performed with the patient awake.
In order for a muscle to contract, the brain sends a nerve impulse to the muscle it wants to contract. The nerve impulse triggers the potassium inside the muscle fiber cell to switch places with the calcium outside the cell wall, thereby feeding the cell and contracting the muscle. A second nerve impulse from the brain triggers the calcium to switch places with the potassium, releasing the contracted muscle.
Nerve pain can be treated if it is diagnosed early with acupuncture, or hypnosis for example to help alleviate the pain, or changes by treating the conditions that are causing the pain and then there are medications which can be taken. A good website reference is http://www.webmd.com/brain/nerve-pain-and-nerve-damage-symptoms-and-causes?page=2.
A nerve sends messages to your brain that you are feeling something. For example, if you fall over and scratch your arm, your nerve will send a message to your brain to feel the pain from that scratch.
injections of anesthetic around the fibers of a nerve to prevent pain messages relayed along the nerve from reaching the brain. They may be used to relieve pain in specific parts of the body for a short period
Nerve endings in the hand will send messages to the brain telling you that you have pain in the body.
When you have a fresh wound you have exposed nerve endings. When these nerve endings are stimulated it is sensed by your brain as pain.
Pain is caused when nerve endings are exposed - they signal to the brain that there is damage to the skin and tissue, and we feel that as pain.