A. Bioelectricity is electrical current that is generated by living tissues 1. Nerve tissues (collections of cells of the same type) and muscle tissues generate some electrical current a. Electrical impulses travel along nerve cells, called neurons b. Contractions of the muscle that makes up the heart are generated by waves of bioelectricity c. Modified nerve and muscle cells can create color changes (cuttlefish) or deliver a shock (electric eels) 2. The main difference between current electricity and bioelectric current is that the electric current used for lighting, communication, or power is a movement of electrons alone, whereas bioelectric current is the flow of electrically charged atoms or molecules a. Electrically charged atoms have more or less electrons so that they are not neutral i. Called "ions"
Fun examples of bioelectricity
The electric ray has modified muscle & nerve cells that act like a battery. Some species can deliver quite a shock, which disables or kills their prey.You can click on the picture for a link to a WIKipedia page on electric rays
Human Nervous System
Neurons are nerve cells that are connected to the brain. Bundles of nerves run down your spinal column to different parts of your body. Electrical signals from your brain to your muscles help your heart beat, your hands & legs move, and all your body parts function