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THE HEART Zlatko Zebic
Heart Anatomy <ul><li>The size of a fist </li></ul><ul><li>Weighs between 250 and 350 grams </li></ul><ul><li>Located in m...
Coverings of the Heart  <ul><li>The heart is enclosed in a double-walled sac called  pericardium   </li></ul><ul><li>Betwe...
Layers of the Heart Wall <ul><li>Epicardium  – outer layer of the heart or the visceral layer of the pericardium. </li></u...
Chambers of the Heart <ul><li>The heart has four chambers </li></ul><ul><li>Two superior  atria </li></ul><ul><li>Two infe...
Great Vessels of the Heart <ul><li>Superior and Inferior Vena Cava – enter right atrium </li></ul><ul><li>Pulmonary Veins ...
Pathway of the Blood Through the Heart
Pathway of the Blood Through the Heart <ul><li>The left side of the heart is the systemic circuit pump </li></ul><ul><li>T...
Conclusion <ul><li>Despite its vital importance, the heart does not work alone.  It is a part of the cardiovascular system...
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The Heart

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  • Subject: biology Date: _17th april (1) Topic: respiration Class: i x-c salma saleem

    Objectives Plan (Methodology) Time Resources Assessment

    • Students would be able to
    • Define respiration
    • Define aerobic respiration
    • State the equation (in symbols or in words) for aerobic respiration
    • Name and state the uses of energy in the body of humans.










    Brainstorming: about the topic by making a web.
    Announcement of the topic.
    Teacher’s Exposition:
    Explanation of the topic by writing down the equation on the board.
    • Discussion time to time during the lecture
    Student’s task:
    Group work:
    Students will discuss about the name of different processes which need energy
    Class work: ( written)
    Name different life processes which need energy.
    Define respiration and give its word equation.

    Wrap up the lesson:

    5 min
    1min
    20 min

    5 min

    6 min
    3 min
    Biology for o-levels
    Students will be assessed on the basis of their abilities to discuss in detail respiration and its equation.
    Evaluation of Student Learning



    good presentation helpful for bio students

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  • good presentation helpful for bio students
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  • good presentation helpful for bio students
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  • Very good presentation! I thought it was very informative and yet easy to understand. I look forward to reading your future projects!
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Transcript of "The Heart"

  1. 1. THE HEART Zlatko Zebic
  2. 2. Heart Anatomy <ul><li>The size of a fist </li></ul><ul><li>Weighs between 250 and 350 grams </li></ul><ul><li>Located in mediastinum, the medial cavity of the thorax </li></ul><ul><li>Extends from the second rib to the fifth intercostal space </li></ul>
  3. 3. Coverings of the Heart <ul><li>The heart is enclosed in a double-walled sac called pericardium </li></ul><ul><li>Between the two layers of pericardium is the pericardial </li></ul><ul><li>cavity , which </li></ul><ul><li>contains pericardial </li></ul><ul><li>fluid. </li></ul>
  4. 4. Layers of the Heart Wall <ul><li>Epicardium – outer layer of the heart or the visceral layer of the pericardium. </li></ul><ul><li>Myocardium – composed of cardiac muscle. The layer that contracts. </li></ul><ul><li>Endocardium – white sheet of endothelium on the inner myocardial surface. </li></ul>
  5. 5. Chambers of the Heart <ul><li>The heart has four chambers </li></ul><ul><li>Two superior atria </li></ul><ul><li>Two inferior ventricles </li></ul><ul><li>The atria are receiving chambers for blood returning to the heart from the circulation </li></ul><ul><li>The ventricles are actual pumps of the heart </li></ul>
  6. 6. Great Vessels of the Heart <ul><li>Superior and Inferior Vena Cava – enter right atrium </li></ul><ul><li>Pulmonary Veins –enter left atrium </li></ul><ul><li>Aorta – carries blood from the left ventricle </li></ul><ul><li>Pulmonary Artery – carries blood from the right ventricle </li></ul>
  7. 7. Pathway of the Blood Through the Heart
  8. 8. Pathway of the Blood Through the Heart <ul><li>The left side of the heart is the systemic circuit pump </li></ul><ul><li>The right side of the heart pumps blood through the pulmonary circulation </li></ul>
  9. 9. Conclusion <ul><li>Despite its vital importance, the heart does not work alone. It is a part of the cardiovascular system, which also includes the miles of blood vessels. </li></ul><ul><li>The cardiovascular system provides the transport system that keeps blood continuously circulating through the body carrying nutrients and oxygen to every cell </li></ul>
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