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Homeostasis Unit

Learn about the components of the nervous system and how they work together to maintain homeostasis. Explore the central nervous system, peripheral nervous system, and the role of action potentials in transmitting messages.

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Homeostasis Unit

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  1. Homeostasis Unit Biology

  2. March 19 – Lesson Question • What are the components of the Nervous System and how do they function? • Page 93

  3. Nervous System – 2 Components working together

  4. Central Nervous System • Brain • 3 major regions • Spinal Cord • Connects brain and peripheral nervous system

  5. Central Nervous System • Cerebrum • Movement, senses, speech, abstract thought • Cerebellum • Maintain balance • Brainstem • Link between brain and the peripheral nervous system

  6. Peripheral Nervous System • Network of nerves that branch out from the central nervous system and connect to the rest of the body.

  7. March 17 • Reaction time lab • Page 94 • Read the instructions aloud with your group. • What questions do you have?

  8. Reaction Time Lab • What two reflex reactions are we investigating? What is the difference between the two? • How will you record your data? • For how many people will you record data?

  9. Reaction Time Lab • Data collection: 10 minutes • Data Analysis Time: 15 Minutes • Get my signature on the analysis questions!

  10. Action Potentials • Let’s watch a brief video to learn how neurons actually transmit messages. • As you watch, write 3 important details. This video has challenging content, so let’s work together to learn from it.

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