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CELL CITY

CELL CITY. You are made out of trillions of cells. That is a pretty big number!. Imagine that you have as many cells inside of you as there are stars in our galaxy. Cells are a lot like the city you live in. There are many parts in a cell. Each part has a special job. Think of a City.

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CELL CITY

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  1. CELL CITY

  2. You are made out of trillions of cells. That is a pretty big number! Imagine that you have as many cells inside of you as there are stars in our galaxy.

  3. Cells are a lot like the city you live in. There are many parts in a cell. Each part has a special job.

  4. Think of a City • How does it operate? • Who protects the city? • Who runs the city? • How does the city manage its trash? • How does the city get food? • How does the city get its power? • How do you know when you are in the city limits?

  5. This is a picture of a real cell. It is from the inside of your cheek. It is a skin cell. The part in the middle of the circle is the NUCLEUS (NEW-CLEE-US). It is in charge of the cell. The NUCLEUS has all the directions the cell needs to do its job. This is called DNA. The NUCLEUS is like CITY HALL. The mayor and city council make the decisions about what will go on in the city.

  6. Cell Wall • Only found surrounding plant, fungal and bacterial cells • Made of cellulose • Is rigid, strong and stiff • Provides support and protection for the cell • It’s like a fence that Surrounds an entire city or school

  7. The CELL MEMBRANE goes all the way around the outside of the cell. It helps to keep the cell safe. It is like the police and fire departments in the city. It is also like a fence with a gate in it. The CELL MEMBRANE keeps out anything that doesn’t belong in the cell. It lets in water, sugar, oxygen and other things the cell needs to do its job. It lets out wastes like carbon dioxide.. Controls what Goes in and out of the city

  8. Cytoplasm Found in both plant and animal cells • Clear, thick, jelly-like material Cytoplasm • Located beneath cell membrane • Supports and protects cell organelles • It’s like the sidewalks or ground, that are found in a city

  9. This is a picture of a MITOCHONDRIA. It sounds like “MIGHT-OH-CON-DREE-AH”. Mighty is a good word to think of when you think about this cell part. This is like a Power Plant. It makes all the power for the cell. It uses sugars from the food you eat to make energy.

  10. The RIBOSOME is like a FACTORY making all the different things you use at home and in school. The smallest organelles The Protein Factory Can be connected or by itself

  11. This is ROUGH ENDOPLASMIC RETICULUM Its job is to move proteins around the cell. It’s like the roads being driven on by buses, cars and trucks moving things around in a city. The RIBOSOMES are found on the surface of the ROUGH ENDOPLASMIC RETICULUM. SMOOTH ENDOPLASMIC RETICULUM moves energy from inside the cell to the rest of the body. It is like POWER LINES, WATER LINES. • Road System/Highway • Allows for movement throughout the city

  12. VACUOLES are used by the cell to store extra water, wastes and food. In a city, we use water towers, landfills to store water and waste things.

  13. GOLGI BODIES (GOAL-GEE) package up and ship out of the cell the proteins made by the ribosomes. They are like the post office and UPS. Looks like a flattened stack of membranes (or pancakes!)

  14. • Found in plant cells only • Oval-shaped • Green in color due to chlorophyll Chloroplasts • Uses energy from the sun to make food for the plant • It’s like the solar panels on a roof

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