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Aim : How does blood travel through the human heart?

Aim : How does blood travel through the human heart?. Do Now : Circulatory System Questions. HW : Page 967 Question #11-16. What happened in this clip? What did you hear coming from the heart? What do you think was causing this sound?

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Aim : How does blood travel through the human heart?

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  1. Aim: How does blood travel through the human heart? Do Now: Circulatory System Questions HW: Page 967 Question #11-16

  2. What happened in this clip? • What did you hear coming from the heart? • What do you think was causing this sound? • Was if from the heart muscle it self? Mover your leg, does it make noise? • Do you think this is possible? Why or why not?

  3. Weird Science Fact Where does this sound come from? The heart will continue to beat for several minutes after removal from the body due to its own internal electrical system.

  4. How does the circulatory system help maintain homeostasis? • Arteries, capillaries, and veins help to transport nutrients and oxygen TOWARD body cells, while taking carbon dioxide and other wastes AWAY from body cells. • What are some characteristics of arteries, capillaries, and veins?

  5. How can we describe the structure of the heart? • The heart is a MUSCULAR pump with FOUR CHAMBERS. • Two Atria: Upper, THIN walled chambers that receive blood. • Two Ventricles: Lower, THICK walled chambers that force blood into arteries. • Valves: Which prevent the backflow of blood • Septum: separates right and left sides.

  6. Structure of Heart Activity

  7. Types Of Circulation • PULMONARY CIRCULATION: • -Blood travels between the RIGHT side of heart and the lungs (to get oxygen). • SYSTEMIC CIRUCLATION: • -Blood travels from the LEFT side of the heart to the rest of the body (to deliver oxygen and nutrients).

  8. Why is the septum important? • It separates oxygen POOR blood (right side of the heart) from oxygen RICH blood (left side of the heart). SEPTUM

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