MCAT Basics Podcast

Muscular System

This MCAT podcast covers the muscular system. First, I cover the differences and similarities between the three types of muscle (smooth, cardiac, skeletal). Then, I talk about the basic structure of a skeletal muscle cell and the many organelles that are unique to this cell type including the sarcolemma, sarcoplasm, myofibrils, sarcomeres, and more. Next, I discuss three main differences between type I and type II muscle fibers. Last, I delve into muscle contraction, starting at the neuromuscular junction and ending in the shortening of sarcomeres (the cause of muscle flexion).

Please email me if you have any comments or concerns: [email protected]

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Thanks for listening!

Sam Smith

Sam completed his Bachelors of Science in Chemical and Biological Engineering at the University of Colorado Boulder. Following his graduation, he worked at the National Institutes of Health Vaccine Research Center studying HIV. Meanwhile, with a microphone in his garage, Sam founded the MCAT Basics podcast. The podcast has grown to become the top rated MCAT podcast on iTunes. In addition to podcasting, Sam enjoys the outdoors, sports, and his friends and family.

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