Wednesday, November 6, 2013

Cobb

MUSCLES - Notes and accusatorys Objective 1. Describe the 3 types of muscles. Three types of muscle to-do: skeletal, cardiac, smooth Differ in cadre structure, ashes location, wreak, and the call by which they argon activated to contract. Similar in that only when are elongated and contraction depends on 2 kinds of myofilaments. bony Muscle Tissue - Packaged into skeletal muscle that splice to and cover the bony skeleton. Visually obvious bands -- striations. Voluntary excommunicate - subject to conscious control. Can contract rapidly and vigorously but tire easily. Can exert tremendous power. signally adaptable. Cardiac Muscle Tissue - Found only in the heart. Striated and Involuntary. Gap junctions allow rapid communication between cubicles which synchronizes cell contractions. Smooth Muscle Tissue in walls of bellowing organs -- stomach, bladder, resp. tract, etc. Non-striated. Involuntary control. Contractions are slow and sustained. Found in sheets of alt ernating circular and longitudinal layers; synchronized contraction of the sheets devote alone rise to a wave of contraction on the hollow organ - peristalsis. Objective 2. List the functions of muscle. 1. Movement - yet roughly all movement results from muscle contraction. Skeletal muscles are creditworthy for all locomotion and manipulation.
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Skeletal muscles enable the body to reply quickly to changes in the external environment. 2. Maintenance of metier - Muscles function al approximately continuously making small adjustments to exercise an raise or seated posture despite the set up of gravity. 3. enounce Stability - Skelet al muscles help stabilize joints with haple! ss strengthener or noncomplementary articular surfaces -- shoulder, knee. 4. Heat Generation - flummox erupt as the muscles contract. Vitally important in alimentation of habitual body temperature. Skeletal muscle are most responsible. Objective 3. Describe the functional characteristics of muscle. a. Excitability - Ability to fool and reply to a stimulus --...If you want to get a well(p) essay, order it on our website: BestEssayCheap.com

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