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Discover the composition and functions of various types of connective tissues, from loose connective tissue to bone and blood. Understand the role of muscle tissue in bodily movement.
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Connective Tissue Connective tissue is composed of sparse populations of cells scattered through an extracellular matrix. Loose connective tissue: elastic collagen fibers bind epithelia to underlying tissues. Cartilage: the rubbery chondroitin sulfate provides flexible support in joints. Fibrous connective tissue: collagen fibers give strength to tendons (attach muscles to bones) and ligaments (connect bones to bones at joints). Adipose tissue: stores fat as fuel in fat droplets and provides insulation. Bone: made of collagen and minerals; a central canal in each osteon carries blood vessels and nerves. Blood: a liquid matrix of plasma carries erythrocytes (RBC), leukocytes (WBC).