LocomotionBigIdea&WordList - from the nervous system....

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BILD2 WI12 Effectors and Movement Steven Wasserman p. 1 Lecture 3/1/12 Chapter 50 Effectors Big Questions / Learning Objectives 1. Describe three functions of a skeleton.* 2. Distinguish between an exoskeleton and an endoskeleton. 3. Explain how a skeleton combines with an antagonistic muscle arrangement to provide a mechanism for movement. 4. Describe the organization of a sarcomere. 5. Explain the sliding-filament model of muscle contraction. 6. Draw the steps in the cycle of events involving myosin heads that underlie the sliding- filament model. 7. Explain how skeletal muscle contraction is controlled by the tropomyosin/troponin complex and contrast with the action of calmodulin. 8. Describe the roles of pumps and channels in the triggering of muscle contraction by input
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Unformatted text preview: from the nervous system. 9. Explain how the nervous system produces graded contraction of whole muscles. 10. Distinguish among skeletal muscle, cardiac muscle, and smooth muscle. 11. Discuss the factors that affect the energy cost of locomotion.* Topic / Working Vocabulary List actin cardiac muscle endoskeleton exoskeleton locomotion motor unit muscle spindle myosin peristalsis sarcomere sarcoplasmic reticulum (SR) skeletal muscle (striated muscle) sliding-filament model smooth muscle tetanus thick filament thin filament transverse (T) tubules tropomyosin troponin complex *Covered in assigned reading and homework rather than lecture...
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This note was uploaded on 04/05/2012 for the course BILD 2 taught by Professor Schroeder during the Winter '08 term at UCSD.

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