Cells & Levels of Organization

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Cells & Levels of Organization

  1. 1. Human Body Day 1: Levels of Organization & What is Health? Mr. Schriner KMS
  2. 2. Starter <ul><li>On post-it notes list as many words that you can think of that relate to health or disease. </li></ul>
  3. 3. Starter <ul><li>Place your post-it notes on the continuum where you think it fits between health and disease. </li></ul>
  4. 4. Levels of Organization <ul><li>Cell </li></ul><ul><li>Tissue </li></ul><ul><li>Organ </li></ul><ul><li>Organ System </li></ul><ul><li>Organism </li></ul>
  5. 5. Levels of Organization <ul><li>With your group list examples of each </li></ul><ul><ul><li>Cell </li></ul></ul><ul><ul><li>Tissue </li></ul></ul><ul><ul><li>Organ </li></ul></ul><ul><ul><li>Organ System </li></ul></ul><ul><ul><li>Organism </li></ul></ul>
  6. 6. Levels of Organization - Cells <ul><li>Building block of all life </li></ul><ul><li>Human body ~ 100 Trillion Cells </li></ul><ul><li>http://www.cellsalive.com/howbig.htm </li></ul><ul><li>http://www.ibiblio.org/virtualcell/tour/cell/cell.htm </li></ul>
  7. 7. Levels of Organization – Cells (Organelles) <ul><li>Cell membrane- semi-permeable </li></ul><ul><li>Nucleus- control center of cell </li></ul><ul><li>Cytoplasm- inside </li></ul><ul><li>Mitochondrion- power center </li></ul>
  8. 8. Levels of Organization - Tissues <ul><li>Tissues –group of similar cells that perform the same function </li></ul>
  9. 9. Levels of Organization - Organs <ul><li>Organs – structure made of different types of tissues </li></ul>
  10. 10. Levels of Organization – Organ Systems <ul><li>Organ Systems – groups of organs that perform a major function </li></ul><ul><ul><li>Integumentary (skin) </li></ul></ul><ul><ul><li>Skeletal </li></ul></ul><ul><ul><li>Muscle </li></ul></ul><ul><ul><li>Nervous </li></ul></ul><ul><ul><li>Respiratory </li></ul></ul><ul><ul><li>Circulatory </li></ul></ul><ul><ul><li>Digestive </li></ul></ul><ul><ul><li>Endocrine </li></ul></ul><ul><ul><li>Excretory </li></ul></ul><ul><ul><li>Immune </li></ul></ul><ul><ul><li>Reproductive </li></ul></ul>
  11. 11. Levels of Organization – Organisms <ul><li>Organisms – the human body </li></ul>

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