4 types of Tissue Classes
Epithelial
Tissue composed of layers of closely spaced cells that cover organ surfaces, form glands, and serve for protection, secretion and absorption. Location: Epidermis, inner lining of digestive tract, liver and other glands
Nervous
Tissue containing excitable cells specialized for rapid transmission of coded information to other cells. Location: Brain, Spinal cord, nerves.
Connective
Tissue with more matrix than cell volume, often specialized to support, bind together, and protect organs Location: Tendons and ligaments, cartilage, and bone, blood.
Muscular
Tissue composed of elongated, excitable cells specialized for contraction. Location: Skeletal muscles, Heart (cardiac muscle), Walls of viscera (smooth muscle)