School-Accessible+Videos+(un-blocked)

The "toned-down" version: [|A Virtual Demo on Body's Electricity]
 * [|Intercellular Communication Cinema 4D]

Muscle Contraction: [|A simple example]

Chemical Details of a Contraction: [|Roles of Ca, aCh, & Myosin Heads] [|Action Potential & Ca+ role with Sound] Myofilament "Zoom-In" of Contraction:[|Actin & Myosin Cross-bridge]

Action Potential:[|What is it, exactly?]