Cells

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Cells

  1. 1. CellsCells By: Tommaso Capano & Andrea Vittori
  2. 2. Table of contents  Prokaryotic and eukaryotic cell  Animal and plant cell  The parts of cell  Specialized cells  Diffusion  Osmosis  Tissue  Organ  System
  3. 3. Prokaryotic and eukaryotic cellProkaryotic and eukaryotic cell Prokaryotic cell Eukaryiotic cell
  4. 4. Animal and plant cellAnimal and plant cell Animal cell Plant cell
  5. 5. NucleusNucleus  Nucleus contains the genetic code, the DNA, and controls the cell activity. Only eukaryotic cells have the nucleus. Its size depends by its function and its jobs.
  6. 6. Cytoplasm  In the cytoplasm take place a lot of chemical processes, controlled by enzymes. It is watery and contains the organelles.
  7. 7. Cell membrane  The cell membrane controls the movement in and out of the cell. It is very thin and is made by lipid. It divides the Cytoplasm to outdoors.
  8. 8. Organelles •The organelles have a lot of job which serve to the cell life. There are a lot of type of organelles with different function. For example chloroplast and vacuole are organelles.
  9. 9. Cell wall  The cell wall strengthens the cell giving it more rigidity and strength. Only plant cells have this organelle around the cell membrane.
  10. 10. Chloroplast The chloroplast is a organelle contains chlorophyll, which absorbs sun energy for photosynthesis. It has an oval shape with two protective membranes.
  11. 11. Permanent vacuole Permanent vacuole felled with cell sap to help keep the cell turgid. It has a own membrane, created by Golgi’s apparatus.
  12. 12. Specialized cellSpecialized cell Brain cells Egg cell Blood cells Sperm cell Muscle cells
  13. 13. DiffusionDiffusion Exemple of diffusion In the lungs: the oxygen moves from alveolar air space to blood circulating around the lungs.
  14. 14. OsmosisOsmosis Exemple of osmosis, very important in plants.
  15. 15. TissuesTissues Muscle The lining of the lungs Root hair tissue The lining of the intestinePhloen
  16. 16. OrganOrgan Heart Stomach Leaf Root Brain Lungs
  17. 17. SystemSystem Circulatoy system Reproductive system Digestive system Leaf canopy Respiratory system Nervous system
  18. 18. Bibliography  www.bbc.co.uk/schools Focus on science  www.google.com/immages www.wikipedia.com

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