Vertebrate Body Structure

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Presentation transcript:

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  Cartilage, bone, dense, loose Energy storage  Adipose Gas exchange  Red blood cells Immune system  White blood cells

Connective Tissue (1)

Connective Tissue (2)

Bone Structure

White and Red Blood Cells

Muscle Tissue Smooth Striated 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