KIN 2500 Chapter : Chapter 10 SI Worksheet
15 Mar 2019
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Si: matthew landry mland84@lsu. edu: skeletal- moves the bones of the skeleton. Striated: where is it found?-attached to bones, skin and other skeletal muscles, cardiac- forms most of the heart wall. Striated: where is it found?- heart, unique features: autorhythmicity, smooth- propel food through the gastrointestinal. Involuntary: striated or non-striated?-non-striated, where is it found?-walls of hallow internal structures,(blood vessels, airways, and most organs in the abdominopelvic cavity),hair follicles. Tropomyosin and troponin: what do structural proteins do? keep the thick and thin filaments of the myofibrils in proper alignment. The synapse b/t a somatic motor neuron and a skeletal muscle fiber. Steps of the nmj (put these in order from 1-4: action potential is produced, termination of ach. Ach is broken down and muscle action stops: activation of ach receptors. Ach binds to ach receptors: release of acetylcholine (ach) from the synaptic vesicle, __d____ 2.
