Tissues

Tissues

1. Epithelial

   • Function: Lines body cavities and covers internal and external body surfaces
   • Locations: Lines the body cavities and covers internal and external body surfaces
   • Simple Squamous
   • Simple Cuboidal
   • Simple Columnar
   • Pseudostratified
   • Distuingished by having little extracellular matrix between closely packed cells

2. Connective

   • Function: Depends on the form
   • Location: Typically found between other tissues
   • Aerolar Connective Tissue
     • Widely distributed throughout the body
     • Adipose tissue is found where Areolar connective tissue is found
     • Makes up the subcutaneous layer of skin-anchor
   • Reticular Connective Tissue
     • Filter worn out blood cells and bacteria
     • Helps bind together smooth muscle cells
   • Dense Regular Connective Tissue
     • Bundles of regularly arranged parallel fibers
     • Makes up tendon and most ligaments
   • Dense irregular Connective Tissue
     • Bundles of irregular arranged collagen fibers
     • Found in the dermis of the skin, heart valves
   • Elastic Connective Tissue
     • Consists of branching elastic fibers
     • Makes up lung tissue and elastic arteries
   • Liquid Connective Tissue
     • Matrix is plasma
     • Cells: red blood cells, white blood cells, and platelets

3. Muscular

   • Functions: Produces movement, releases heat, maintains posture, supports soft tissues

4. Nervous

5. Groups of cells that have a similar structure and act together to perform functions

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