Tissue Types

By: Isabella Hagen


  • Epithelial tissue is found inside and outside body surfaces, including organs, the lining of cavities, tubes, ducts and blood vessels as well as main tissue of glands. The four functions of epithelial tissue are protection (skin), absorption (stomach and intestinal lining), filtration and excretion (kidney) and secretion (glands).

Classified By:
  • Cell Shape

  1. Squamous – flat and scale-like

  2. Cuboidal – cube-shaped

  3. Columnar – tall, elongated cells

  • Cell Arrangement

  1. Simple – single layer of cells

  2. Stratified – stacked cell layers

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    • Connective tissue connects, binds and supports structures. It also protects and cushions organs and tissues. The different types of connective tissue are bone, cartilage, dense connective tissue, loose connective tissue and blood. Dense regular connective tissues are tendons and ligaments while dense irregular connective tissue is skin. The types of loose connective tissues are areolar connective tissue, adipose tissue and reticular connective tissue. The three types of cartilage are hyaline, elastic and fibrocartilage.


    • The three types of muscular tissue are skeletal, smooth and cardiac. Skeletal muscle is found in the bones and its main function is body movement. Smooth muscle is found on the walls of hollow organ and its main function is to move blood through the bodies organs. Cardiac muscle is found only in the heart. Its main function is the synchronous contractions of a heart beat.

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    • Nervous tissue is found in the brain, spinal cord and nerves.The main function of nervous tissue is to generate and transmit nerve impulses to and from body organs via neurons. Some cells (neuroglia) also support, insulate and protect neurons.

    Defense For One Tissue

    The connective tissue is the best tissue for its location and function in the body. There are six different types of connective tissues and they all have very important functions within the body. Connective tissues connect, bind and supports structures. They also protect and cushion our organs and tissues. If we did not have connective tissues in our bodies we would not have all the support we currently have.