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Review: Cells, Tissues, and Membranes

Here is what we have learned from Cells, Tissues, and Membranes:

  • Basically, a cell consists of three parts: the cell membrane, the nucleus, and between the two, the cytoplasm.
  • The cell nucleus contains genetic material and regulates activities of the cell. It determines how the cell will function, as well as the basic structure of that cell.
  • All of the functions for cell expansion, growth and replication are carried out in the cytoplasm of a cell.
  • Tissue is a group of cells that have similar structure and that function together as a unit. Primary types of body tissues include epithelial, connective, muscular, and nervous tissues.
  • Epithelial tissues form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands.
  • Connective tissues bind structures together, form a framework and support for organs and the body as a whole, store fat, transport substances, protect against disease, and help repair tissue damage.
  • Muscle tissue is composed of cells that have the special ability to shorten or contract in order to produce movement of body parts.
  • Nervous tissue is responsible for coordinating and controlling many body activities.
  • Body membranes are thin sheets of tissue that cover the body, line body cavities, and cover organs within the cavities in hollow organs.
  • Two main categories of body membranes are epithelial and connective tissue membranes. Sub-categories include mucous membranes, serous membranes, synovial membranes, and meninges.

Quiz

Go to the quiz if you want to test yourself on the material you learned in this section. The quiz is a self-assessment tool and no records are kept. The feedback will let you know if you have answered the questions correctly. You can take the quiz as many times as you want.

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