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Maintaining Blood Sugar: The Intricate Dance of Homeostasis

Explore how the body manages blood sugar levels through the roles of pancreas, liver, and fat cells. Learn about normal ranges and feedback loops that regulate high and low blood sugar, impacting insulin and glucagon production. Discover the distinctions between Type I and Type II diabetes in sugar metabolism.

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Maintaining Blood Sugar: The Intricate Dance of Homeostasis

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Presentation Transcript

  1. Maintain Homeostasis How hard does your body work to maintain blood sugar concentration?

  2. The Players • Pancreas • Produces hormones insulin and glucagon • Liver • Stores blood sugar as glycogen Produces the hormones insulin and glucagon • Fat • Cells can store sugar when excess is in the blood

  3. What should your blood sugar be? • 70-125 mg/dL (units common sugar tests use) which equals < 7.0 mmol/L • When would it be ok for your sugar to be on the higher end? When should it be at the lower end of this range?

  4. How your body maintains this level:

  5. Check your notes!

  6. Feedback • How your body responds to changing conditions. • EX: • High Blood Sugar: Turns ON insulin and turns OFF glucagon production.

  7. Practice: Connecting Concepts • Turn to your partner. You have just “tested” his/her blood sugar. The value is written on the board. • Use your notes to discuss what SHOULD be happening to bring his/her blood sugar into the normal range.

  8. Diabetes 2 Types What happens to the ability to metabolize sugar? Read your article and recognize the difference between Type I and Type II diabetes! (these could be asked on your next test!) Homeostasis Gone Haywire

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