E3 lecture5 - Animal AnatomyPhysiology

E3 lecture5 - Animal AnatomyPhysiology - Intro to Human...

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Intro to Human Anatomy and Physiology Anatomy – study of structure… Physiology – study of function Tissues are groups of cells with structurally similar cells; a specific function Organ – complexes of several tissues that perform a special task Organ systems – two or more organs that interact, with a common task (i.e. heart works with circulatory system to deliver oxygen to cells) Four main tissue types: I. Epithelial tissue - covers all exposed surfaces (surface of body; lines organs and cavities) - occurs in skin - lines heart, blood vessels, digestive tract, respiratory tract - continually renewed…turnover every two week (= rapid cell division) II. Connective tissue - supports and binds tissues - role in storage and transport - scattered around the extracellular matrix outside of cells Types of connective tissue: a) loose connective: supports epithelia (under the skin) b) adipose: stores fat, cushioning, insulation c) fibrous: tendon (muscle to bone); ligament (bone to bone) d) cartilage: flexible; boneless, shock-absorbing
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E3 lecture5 - Animal AnatomyPhysiology - Intro to Human...

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