Ch 50 - Figure 50.36 Skull Clavicle Scapula Sternum Rib...

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Shoulder girdle Skull Clavicle Scapula Sternum Rib Humerus Vertebra Radius Ulna Pelvic girdle Carpals Phalanges Metacarpals Femur Patella Tibia Fibula Tarsals Metatarsals Phalanges Types of joints Ball-and-socket joint Hinge joint Pivot joint Figure 50.36
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Chapter 50. Sensory & Motor Mechanisms Chapter Objectives : Types of muscles Skeletal Muscle : Sliding Filament Theory Neuromuscular Junction Motor Unit
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Types of Muscles Skeletal muscle – Associated with the bones. It is a striated muscle because the regular arrangement of myofilaments creates a pattern of light and dark bands. Requires input from the nervous system. Cardiac muscle - found only in the heart, consists of striated cells electrically connected by intercalated disks. Cardiac muscle can generate action potentials without neural input
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Smooth muscle - found mainly in walls of hollow organs such as those of the digestive tract, contractions are relatively slow and may be initiated by the muscles themselves. Contractions may also be caused by stimulation from neurons in the autonomic nervous system Types of Muscles
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Figure 50.26
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