Medical | Health | Life on Instagram: "An example of residual nerve activity can be seen when a person’s body shows small movements even after death or severe injury. This happens because some nerve cells continue to send weak electrical signals for a short time, even when the brain has stopped functioning. For example, a finger might twitch or a muscle may contract briefly. These small actions are not signs of life but are caused by leftover electrical impulses in the nerves before they complet