I'm pretty sure that's indeed the reason why the body still twitches. I experienced the same while disecting frogs (during my biology education, not for fun like a maniac :P). Some of us experimented with a little salt and the legs kept twitching up to 15min after the frogs were killed. The legs were completely severed from the body as well, so there wasn't any residual brain or spinal cord activity responsible for it.
Thanks! It is good to hear from someone who actually has some experience with this in real life. I have only been able to read about it. I was trying to decide between two causes: 1) reflex arc, or 2) salt activating ion channels in muscle tissue. Your example of the frog leg makes me a bit more confident that salt on the cutting board is causing the movement.
I'm pretty sure that's indeed the reason why the body still twitches. I experienced the same while disecting frogs (during my biology education, not for fun like a maniac :P). Some of us experimented with a little salt and the legs kept twitching up to 15min after the frogs were killed. The legs were completely severed from the body as well, so there wasn't any residual brain or spinal cord activity responsible for it.
Thanks! It is good to hear from someone who actually has some experience with this in real life. I have only been able to read about it. I was trying to decide between two causes: 1) reflex arc, or 2) salt activating ion channels in muscle tissue. Your example of the frog leg makes me a bit more confident that salt on the cutting board is causing the movement.