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Prerequisite Knowledge

This lesson focuses on the septum's role in the heart, illustrating its importance in separating deoxygenated and oxygenated blood. Students will review key concepts including the structure of the heart, the differences between left and right ventricles, and atrial and ventricular walls. Activities include identifying the function of the septum and discussing consequences of septal defects. Students will engage with slides and practical examples to reinforce learning. The lesson aims to deepen understanding of heart anatomy and physiology, preparing students for further study on heart functions.

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Prerequisite Knowledge

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Presentation Transcript

  1. Prerequisite Knowledge • Students should have knowledge of: • Blood • Blood vessels • Double circulation • The location of the heart • The basic functions of the heart • The basic functions of the atria and ventricles

  2. Specific Instructional Objectives: • Students should be able to: • identify and describe the function of the septum • explain the difference in structure between the left and right ventricles • explain the difference in structure between the atria and ventricle walls • (Students provided with slides so they can fill in answers)

  3. Septum

  4. Deoxygenated Blood Oxygenated Blood Septum A cup of water separated into 2 coloured parts by a waterproof card. What do you think is the function of the septum?

  5. Why do you think the separation of deoxygenated and oxygenated blood is important? What happens if the septum is broken or removed? Septum Hole in the heart or septal defect http://www.webmd.com/video/helex-heart-patch

  6. RIGHT LEFT Septum

  7. LORD of the reverse (DROL) R D ight L O eft Septum eoxygenated xygenated A cup of water separated into 2 coloured parts by a waterproof card.

  8. We, the citizens of Singapore,pledge ourselves as one united people,regardless of race, language or religion,to build a democratic societybased on justice and equalityso as to achieve happiness, prosperity andprogress for our nation.

  9. How do we identify the side of the heart that contains oxygenated blood? The side with a thicker muscular wall. Does that mean that the whole half of the heart will be thicker than the other? There is NO difference in thickness between the left and right atria.

  10. Septum

  11. Recap! What is the function of the septum? What happens if the septum is broken or removed? In the heart, is the thickness of the muscular walls uniform? Why?

  12. Next lesson: Learn about the rest of the structure of the heart Atria and ventricle involvement in the muscular contractions of the heart (Homework: Read up)

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