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Levels of Organization

Levels of Organization. What do you think the 5 Levels of Organization are in the body?? Brainstorm with your group and write down what you think are the 5 Levels – Data Collector will be the recorder.

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Levels of Organization

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  1. Levels of Organization • What do you think the 5 Levels of Organization are in the body?? • Brainstorm with your group and write down what you think are the 5 Levels – Data Collector will be the recorder.

  2. Levels of Organization:The arrangement of specialized parts within a living thing. The labor (work) is divided among 5 different levels.What is Division of Labor??

  3. Division of Labor Within multi-cellular organisms there is Division of labor. Division of labor - the work (labor) of keeping the organism alive is divided (division) among the different parts of thebody. Each part has a job to do and as each part does its special job, it works in harmony with all the other parts.

  4. 1st Level - Cells • Cells are the basic unit of living things. • They are very diverse and all parts of the cell perform specific functions. Plant Cell Animal Cell

  5. Cells: LOTS of Different Kinds!Here are two examples. Can you guess what kind? Nerve Cells Skin Cells

  6. Second Level: Tissues In any multi-cellular organism, cells rarely work alone. Tissues are the second level Tissues are Cells that are similar in structure and function and are usually joined together to form tissues. There are four basic/major types of tissues in the human body: Muscle tissue, nerve tissue, connective tissue, and epithelial tissue.(There are other kinds of tissues besides these.) Other kinds of tissue include bone tissue (a strong solid tissue that gives you shape and support) made of bone cells in your body form bone tissue. Blood cells in your body are part of blood tissue, a liquid tissue responsible for transporting food and oxygen throughout the body.

  7. Let’s Look Again… Here are the cells we saw before, but if you look closely, you can see that they all look similar. Nerve cells working together make nerve tissue, and skin cells make up a special type of epithelial tissue.

  8. Taken One At A Time…. Connective tissue connects and supports parts of the body.Blood, fat, ligaments, cartilage, bones, and tendons are all connective tissues. Nerve tissue carries messages back and forth between the brain and every other part of the body. The brain, spinal cord, and nerves are made up of nerve tissue. Epithelial tissue covers and lines the surfaces of your body and organs, inside and out. They primarily serve as protective barriers. Skin is one example. Muscle tissue can contract, or shorten. Because of this, muscle tissue makes parts of your body move.

  9. Level Three: OrgansWhen a bunch of different types of tissues work together, they form an organ. There are many organs in the body. How many can you name?? GET IT????

  10. Level Four: Organ Systems Each organ in your body is part of an organ system, a group of organs that work together to perform a major function. For example, your heart is part of your circulatory system, which carries oxygen and other materials throughout your body. Besides the heart, blood vessels are organs that work in your circulatory system.

  11. The nervous system detects and interprets information from the environment outside the body and from within the body; controls most body functions. The immune system fights disease. The excretory system removes wastes. The endocrine system controls many body processes by means of chemicals, like hormones.

  12. The muscular system enables the body to move; moves food through the digestive system, and keeps the heart beating. The skeletal system supports and protects the body, and works with the muscular system to allow movement; makes and stores blood cells and stores some other materials.

  13. The digestive system takes food into the body, breaks the food down into smaller particles, and absorbs the digested materials. The respiratory system takes oxygen into the body and eliminates carbon dioxide. The reproductive system produces sex cells that can unite with other sex cells to create offspring; controls male and female characteristics.

  14. Level 5 – Organisms - Entire living things that can carry out all basic life processes.All other levels form together to make organisms • Entire living things that can carry out all basic life processes. • Protists • Plants • Animals • Humans

  15. Let’s Review…. • 1st Level: Cells working together form • 2nd Level: Tissues, which can form • 3rd Level: Organs, which work together to form • 4th Level: Organ Systems, which work together to form • 5th Level: Organisms!

  16. Bellwork: Silently, read the directions for your poster and wait for directions.5 Levels of Organization Poster Directions: Title 10 pts Illustration for each level 20 Definition of each level 20 Examples of each level (words) 20 Name on front of poster 10 Colorful, creative, & neat! Total: 80 pts ***Illustration must show how each level builds off the last

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