Muscular System Animations ACTION AND MEMBRANE POTENTIAL ANIMATIONS ACTIN-MYOSIN CROSSBRIDGE animation - San Diego State Univ. College of Science DNATUBE SCIENTIFIC WEB SITE - dnatube.com INCREDIBLE HUMAN MACHINE (6/9) - MUSCULAR, NERVOUS SKELETAL - YouTube.com MUSCLES IN ACTION animations - Univ. of Michigan MUSCLE CONTRACTION - youtube.com MUSCLE PHYSIOLOGY - getbodysmart.com SYNAPSE ANIMATIONS Skeletal Muscle Structure-Great Pacific Media Sliding Filament-Great Pacific Media SACROPLASMIC RETICULUM - youtube.com WEBANATOMY - Univ. of Minnesota THE HUMAN BODY: MUSCULAR SYSTEM - youtube.com