MSU BIO215 Lecture - Week 09 Objective Assignment

MSU BIO215 Lecture - Week 09 Objective Assignment - BIOL215...

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BIOL215 Lecture Week 09 Objective Assignment Chapter 9: Muscles and Muscle Tissue Overview of muscle Tissues 1. Compare and contrast the basis types of muscle tissue. A. Skeletal – Attach and cover bony skeleton; striated; voluntary movement B. Cardiac – Only present in heart; striated; involuntary movement C. Smooth – Present in visceral organs; nonstriated; involuntary movement Skeletal Muscle 1. Describe the gross structure of skeletal muscle. - Skeletal muscle fibers generally run the length of the muscle. - Connective tissue holds the fibers together and attaches them to bones with tendons. - Nerves and blood vessels run through connective tissue. 2. Describe the microscopic structure and functional roles of the myofibrils, sarcoplasmic reticulum, and T tubules of skeletal muscle fibers (cells). Structure Function Myofibrils Rod-like contractile elements that occupy most of the muscle cell volume; house sarcomeres House contractile units of muscle fibers – sarcomeres,
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This note was uploaded on 05/07/2010 for the course BIOLOGY BIO 215 taught by Professor Tucker during the Spring '10 term at Mountain State.

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MSU BIO215 Lecture - Week 09 Objective Assignment - BIOL215...

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