August 28, 2020 by Wendi 0 Lecture Videos, Muscles, Nervous SystemNeuromuscular junction and muscle contraction This video describes the events that occur from an action… Read more actin action potential crossbridge cycle End plate potential muscle contraction myosin neuromuscular junction power stroke sarcomere tropomyosin troponin July 23, 2020 by Wendi 0 Cells, Lecture VideosIntracellular and Extracellular Proteins This video describes the most common intracellular proteins, extracellular matrix… Read more actin adherens junctions collage cytoskeleton elastin extracellular matrix proteins fibronectin gap junctions integrin microtubules proteoglycan tight junctions 2/2