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Download Vertebrate Body Structure - Saint Demetrios Astoria School
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Vertebrate Body Structure Vertebrate Body Vertebrate Tissue Types Levels of Body Organization Epithelial Tissue • Covers internal and external structures • Purpose – Protection – Secretion – Gas exchange • Basement membrane and connective tissue support epithelial tissue Epithelial Tissue - Simple Epithelial Tissue - Stratified Connective Tissue • Very diverse functions – Support – Energy storage – Gas exchange – Immune system Cartilage, bone, dense, loose Adipose Red blood cells White blood cells Connective Tissue (1) Connective Tissue (2) Bone Structure White and Red Blood Cells Muscle Tissue • Smooth – Controls diameter of tubes (blood vessels and digestive system) – Involuntary • Striated – Skeletal – attaches to bone – Cardiac – heart muscle Striated Muscle Tissue • Contain contractile unit composed of actin and myosin protein • Cells bundled together to form muscle fibers • Densely packed actin/myosin fibers gives striated appearance • Multinucleated cells – syncytial Muscle Fiber Muscle Tissue Nerve Tissue • Neurons – functional unit of the nervous system • Glial Cells – support cells Nerve Tissue
