LIVING BEINGS
All living beings are  made up of cells
Life started long time ago... <ul><li>Every single living being </li></ul><ul><li>evolved from simpler </li></ul><ul><li>s...
Unicellular living beings Their bodies are made up of one cell,like virus and bacterium
Cells organized in groups becoming into a new structure.
What are CELLS? <ul><li>Cells  are the  tiny building blocks  of living things. </li></ul><ul><li>All cells, whether plant...
ANIMAL  CELL
How do cells work? <ul><li>They use their parts to perform different jobs. </li></ul><ul><li>Cell membrane   separates it,...
PLANT CELL
PLANT CELLS HOWEVER... <ul><li>... have two additional parts that animal cells do not. </li></ul><ul><li>Plant cells have ...
Cells form tissues
CELLS  ARE DIFFERENT <ul><li>Cells  do not all look the same. Their  shape  depends on the  job  they do. </li></ul><ul><l...
Tissues, organs and systems There are several systems in the bodies of living beings that are organized and specialized to...
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Unicellular and pluricellular living things

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Unicellular and pluricellular living things

  1. 1. LIVING BEINGS
  2. 2. All living beings are made up of cells
  3. 3. Life started long time ago... <ul><li>Every single living being </li></ul><ul><li>evolved from simpler </li></ul><ul><li>structures of cells than </li></ul><ul><li>they are now. </li></ul>
  4. 4. Unicellular living beings Their bodies are made up of one cell,like virus and bacterium
  5. 5. Cells organized in groups becoming into a new structure.
  6. 6. What are CELLS? <ul><li>Cells are the tiny building blocks of living things. </li></ul><ul><li>All cells, whether plant or animal have the same basic parts : cell membrane, cytoplasm, nucleus,nuclear membrane,vacuoles and mitochondria. </li></ul><ul><li>Each part performs a specific function. </li></ul><ul><li>A cell is able to reproduce by means of splitting. Previously the nucleus doubles and divides in half so each new cell has a copy of the cell´s instructions </li></ul>
  7. 7. ANIMAL CELL
  8. 8. How do cells work? <ul><li>They use their parts to perform different jobs. </li></ul><ul><li>Cell membrane separates it, gives the cell its shape and control what goes into and out of it. </li></ul><ul><li>Cytoplasm is a jellylike liquid. It is inside the cell membrane. </li></ul><ul><li>Vacuoles are tiny oval structures that store food, water or wastes. They are inside the cytoplasm. </li></ul><ul><li>Mitochondria helps to change food into the necessary energy to do the cell work. It is inside the cytoplasm too. </li></ul><ul><li>Nucleus contains the instructions for running the cell. It is surrounded by the nuclear membrane whose function is similar to cell membrane. </li></ul>
  9. 9. PLANT CELL
  10. 10. PLANT CELLS HOWEVER... <ul><li>... have two additional parts that animal cells do not. </li></ul><ul><li>Plant cells have cell walls around the cell membrane to support and protect the cell. </li></ul><ul><li>Plant cells also contain chloroplasts with a green substance called chlorophyll. </li></ul><ul><li>Chlorophyll traps energy from sunlight and enables the plant to make its own food. </li></ul>
  11. 11. Cells form tissues
  12. 12. CELLS ARE DIFFERENT <ul><li>Cells do not all look the same. Their shape depends on the job they do. </li></ul><ul><li>A group of cells which carry out a specific task form a tissue. </li></ul><ul><li>All tissues that make a common function form an organ . </li></ul>
  13. 13. Tissues, organs and systems There are several systems in the bodies of living beings that are organized and specialized to do specific tasks . All systems have to work at the same time in a coordinated process.
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