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Cells
 

Cells

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    Cells Cells Presentation Transcript

    • Cells
    • Calculating Magnification
      Pollen Grains
      Actual size 100 mm
    • Calculating Magnification
      The general formula for calculation magnification is:
      Drawing size
      Magnification =
      Actual size
    • Red Blood Cells
    • RBC
      Contains hemoglobin
      Helps in the transport of gases (oxygen and carbon dioxide)
      Binds to oxygen molecule in the lungs or gills and release them throughout the body
      Biconcave shaped (doughnut shaped)
      therefore can easily pass through the capillaries.
      This also increases surface area
      Absence of nucleus
      this provides more space and more hemoglobin can be stored.
    • Root Hair Cells
    • Root Hair Cells
    • Root Hair Cells
      The thin hair-like extension of each cell gives a large surface for water to enter into the root.