Heart Structure(Science)

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K J Somiaya college of education. PPT presentation of CAP

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Heart Structure(Science)

  1. 1. Circulation
  2. 2. Circulation Heart structure
  3. 3. <ul><li>Function: </li></ul><ul><li>To transport materials </li></ul><ul><li>around the body </li></ul><ul><li>Oxygen </li></ul><ul><li>Carbon dioxide </li></ul><ul><li>Digested food </li></ul><ul><li>Hormones </li></ul><ul><li>Waste chemicals - urea </li></ul><ul><li>Heat </li></ul>
  4. 4. 3 Major Parts of the Circulatory system <ul><li>Blood Vessels - routes blood travels </li></ul><ul><li>Heart – pumps or pushes blood through body </li></ul><ul><li>Blood – carries important “ *stuff ” through body </li></ul>* Stuff – includes oxygen, food, & waste
  5. 6. 1 Blood Vessels : One Way Streets <ul><li>Blood Vessels resemble very long and skinny tunnels that are all through your body. </li></ul>
  6. 7. <ul><li>#2 The Heart </li></ul><ul><ul><li>4 chambers ( or compartments ) </li></ul></ul><ul><ul><li>2 upper chambers : Left Atrium Right Atrium </li></ul></ul><ul><ul><li>2 lower chambers : Left Ventricle </li></ul></ul><ul><ul><ul><li> Right Ventricle </li></ul></ul></ul>
  7. 9. Lub If you listen to your heartbeat, it makes a lub dub sound. The lub is when blood is pushed out of the heart into the body and the dub is the reloading of the heart with more blood ready to push it out to the body Dub
  8. 10. Blood Flow through the Human Body Blood with little oxygen is pumped from the Right Atrium through a valve to the Right Ventricle and through another valve into the Pulmonary Vein. The Pulmonary Vein sends it to the Lungs to pick up Oxygen. It’s sent from the Lungs through Pulmonary Arteries to the Left Atrium through a valve to the Left Ventricle. The Left Ventricle sends it through a valve to the Aorta. The Aorta is a series of branches that sends oxygenated blood throughout the body.
  9. 11. Systemic – to the organs of the body Pulmonary system – up to the lungs OXYGEN CARBON DIOXIDE
  10. 12. Left side Oxygenated blood from the lungs enters the heart and is pumped to the body organs and tissues Right side Deoxygenated blood from the body is returned to the heart to be pumped to the lungs
  11. 13. EVALUATION <ul><li>FILL IN THE BLANKS </li></ul><ul><li>In mammals, the ………Is divided into four parts. </li></ul><ul><li>heart </li></ul><ul><li>The heart …………………………. Continuously . </li></ul><ul><li>pumps </li></ul><ul><li>The vessels carrying blood from the heart to the different parts of the body are called …………… </li></ul><ul><li>Blood vessels </li></ul><ul><li>The vessels carrying blood from the parts of the body to the heart are called ……………… </li></ul><ul><li>veins </li></ul>
  12. 14. <ul><li>FILL IN THE RIGHT WORDS USING THE CLUES. </li></ul><ul><li>1)BLOOD ― ― ― ― ― ― ― </li></ul><ul><li>Route bloods travels </li></ul><ul><li>vessels </li></ul><ul><li>― ― ― and ― ― ― </li></ul><ul><li>Voice maid by heart </li></ul><ul><li>Lub and dub </li></ul><ul><li>3) ― ― ― ― ― </li></ul><ul><li>Pumps or pushes blood through body </li></ul><ul><li>heart </li></ul>

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