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Lecture

Muscle tissue, Nervous Tissue, Epithelial Tissue.docx

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Department
Biology
Course
BIOL 1175
Professor
H.Hun
Semester
Winter

Description
Muscle tissue, Nervous Tissue, Epithelial Tissue Allows for movement in the body, it’s contractile made of muscle fibers/cells and protein fibers called actin and myosin (interact to produce movement) There are 3 types of muscle tissue in humans: Skeletal Smooth Cardiac 2A. Muscle Tissue - Skeletal - Appearance: long cylindrical cells, multiple nuclei, striated fibers Location: attached to bone (with tendon) - for voluntary movement Alternating light and dark bands cause striated or striped appearance 2B. Muscle tissue - Smooth - Appearance: spindle-shaped cell with one nucleus, lack striations Location: walls of hollow organs and vessels Involuntary movement 2C.Muscle tissue - Cardiac Appearance: branched cells with a single nucleus striation with darker striations called intercalated disk between cells Location: heart Involuntary movement Nervous tissues Allows f
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