Electrical signals play a critical role in governing numerous functions within the human body, including transmitting messages between brain neurons, triggering the heart's muscle contractions, and enabling movement in the hands and feet, among other vital processes.
Researchers develop biodegradable optical fiber to measure or modulate electrical current in the body phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.