Biology Anatomy and Physiology: Muscle system flash cards | Quizlet

Set: Biology Anatomy and Physiology: Muscle system

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All 6 Terms

	Term	Definition
	nerve impulse causes release of neurotransmitter at neuromuscular junction	(Contraction: What comes next?) 1. nerve impulse
	neurotransmitter binds to receptors on muscle and depolarizes it	(Contraction: What comes next?) 2. release of neurotransmitters
	depolarization causes the release of Ca++ by sarcoplasmic retiulce	(Contraction: What comes next?) 3. neurotransmitters bind to receptors
	Ca++ binds to troponin on thin filaments, causing the myosin heads to bind them forming crossbridges	(Contraction: What comes next?) 4. Ca++ released by sarcoplasmic reticule
	the myosin head crossbridges bend(which requires ATP energy) and pull the thin filaments together, shortening the sacromere=contraction	(Contraction: What comes next?) 5. Ca++ forms crossbridges
	the myosin head crossbridges release the thin filament and the sacromeere moves apart to its starting state = relaxation	(Contraction: What comes next?) 6. thin filaments contract

Set Information

Terms	6
Creator	eliotadams
Created	April 18, 2008
Group	High Tech High LA: Class of '09
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Description

Anatomy and Physiology vocab words that don't need diagrams for the tests on 04/17 and 04/23.
Focus for this set is on the Muscle system.

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