7th Grade Chapter 3 Lesson 6

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7th Grade Chapter 3 Lesson 6

  1. 1. 7 th Grade Chapter 3 Lesson 6 Pgs. 108-115 For Student Use Only
  2. 2. From Tissues to Cells <ul><li>Body is made up of systems that are made up of organs that are made up of cells. </li></ul><ul><li>Tissue: a group of structurally similar cells which are designed to work together as a unit in order to perform a particular function </li></ul><ul><li>4 Main Types of Tissues </li></ul><ul><ul><li>Epithelial </li></ul></ul><ul><ul><li>Muscle </li></ul></ul><ul><ul><li>Connective </li></ul></ul><ul><ul><li>Nerve </li></ul></ul>
  3. 3. From Tissues to Cells <ul><li>Tissues: </li></ul><ul><ul><li>Epithelial Tissue: </li></ul></ul><ul><ul><ul><li>Protective barrier </li></ul></ul></ul><ul><ul><ul><li>Called epithelium </li></ul></ul></ul><ul><ul><ul><li>Quickly replace damage cells </li></ul></ul></ul>
  4. 4. From Tissue to Cells <ul><li>Tissue: </li></ul><ul><ul><li>Muscle Tissue: </li></ul></ul><ul><ul><ul><li>Produce Motion </li></ul></ul></ul><ul><ul><ul><li>3 Types: </li></ul></ul></ul><ul><ul><ul><ul><li>Skeletal Muscle- voluntary muscle that attach to bone </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Smooth Muscle- involuntary- controls diaphragm and stomach </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Cardiac Muscle- Heart muscles </li></ul></ul></ul></ul><ul><ul><ul><li>Must have energy and rest </li></ul></ul></ul>
  5. 5. From Tissue to Cells <ul><li>Tissue: </li></ul><ul><ul><li>Connective Tissue: </li></ul></ul><ul><ul><ul><li>Links areas of the body together </li></ul></ul></ul><ul><ul><ul><li>Tissue found in bone, cartilage, fat, and blood </li></ul></ul></ul><ul><ul><ul><ul><li>Blood- the liquid tissue that function as the major transportation system for the body </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Bone- found in skeletal system and is the most rigid of all the tissues </li></ul></ul></ul></ul>
  6. 6. From Tissue to Cells <ul><li>Tissue: </li></ul><ul><ul><li>Connective Tissue: </li></ul></ul><ul><ul><ul><li>Tendons- dense connective tissue that connects muscles to bones </li></ul></ul></ul><ul><ul><ul><li>Ligaments- dense connective tissue that connects bone to bone </li></ul></ul></ul><ul><ul><ul><li>Loose connective tissue- found just below epithelial tissue- contains many blood vessels </li></ul></ul></ul>
  7. 7. From Tissue to Cells <ul><li>Tissue: </li></ul><ul><ul><li>Nerve Tissue: </li></ul></ul><ul><ul><ul><li>Convey information from brain, spinal cord, and body </li></ul></ul></ul><ul><ul><ul><li>Has nuerons (neurons are nerve cells) </li></ul></ul></ul>
  8. 8. From Tissue to Cells <ul><li>Tissues: </li></ul><ul><ul><li>All tissues are different </li></ul></ul><ul><ul><li>Contain different amounts of intercellular material </li></ul></ul><ul><ul><ul><li>Epithelium- loose and flexible </li></ul></ul></ul><ul><ul><ul><li>Connective- extremely loose and flexible </li></ul></ul></ul><ul><ul><ul><li>Bone- strong and rigid </li></ul></ul></ul>
  9. 9. From Tissues to Cells <ul><li>Tissues to Cells: </li></ul><ul><ul><li>The cell is the smallest unit of life </li></ul></ul><ul><ul><li>Cells are specialized </li></ul></ul><ul><ul><ul><li>Cells do all the work of the body </li></ul></ul></ul><ul><ul><ul><li>Cells have their own job to do </li></ul></ul></ul><ul><ul><ul><li>Cells also all work together and depend on each other </li></ul></ul></ul>

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