Presenting the workings of a nerve as an electric circuit is a good way to explain by comparing and contrasting they way they both work, because they are similar and familiar.
Mostly nerves, although the blood can carry "messages" such as hormones.
You have ulnar nerve on the medial and back side of your elbow. You have common peroneal nerve at the neck of fibula. Pressing these nerves can send electric current in the areas supplied by these nerves.
12 pairs like human
The reflex arc is the simplest neural circuit.
The brain regulates everything. Each area of the brain has a specific fonction. the nerves communicate messages to the brain (electric influx). the brain decrypt the information and regulates the actions the nerves and muscles have to do. Without electrical activity on the brain there is no life .
electric current through your nerves and/or muscles, especially through your heart
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Electromyography
Mostly nerves, although the blood can carry "messages" such as hormones.
no. it will just damage your brain cells and your nerves
You have ulnar nerve on the medial and back side of your elbow. You have common peroneal nerve at the neck of fibula. Pressing these nerves can send electric current in the areas supplied by these nerves.
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There are different types of nerves in the human body namely: the cranial nerves, the spinal nerves, the sympathetic nerves, and the encephalon nerves just but to mention a few. Examples of these nerves includes: the optic nerve, the facial nerve, the vagus nerve, the thoracic nerve, and accessory nerve.
The skin has nerves to detect changes in the external environment. The nerves of the skin can detect heat and cold, pressure, pain, and touch.
If the nerves are damaged it may not be possible to get an erection naturally
The myelin sheath forms a protective layer over nerves. However, it is not present on all nerves. Retinal nerves for instance normally are devoid of myelin.
the heart uses electricity by when the flow come in the brain sends electrical nerves :-D