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The Circulatory System also known as The Cardiovascular System

The Circulatory System also known as The Cardiovascular System. Functions of the Circulatory System. Delivers substances to cells Removes waste from cells Transports hormones Helps fight disease Regulates body temperature. Parts of the Circulatory System. Blood Heart Blood Vessels.

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The Circulatory System also known as The Cardiovascular System

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  1. The Circulatory Systemalso known as The Cardiovascular System
  2. Functions of the Circulatory System Delivers substances to cells Removes waste from cells Transports hormones Helps fight disease Regulates body temperature
  3. Parts of the Circulatory System Blood Heart Blood Vessels
  4. Position of the Heart
  5. External Anatomy of the Heart
  6. Internal Anatomy of the Heart
  7. The Heart Muscular organ about the size of your fist Pumps oxygen-poor blood to the lungs and oxygen-rich blood to cells in the body 4 Chambers: 2 Ventricles and 2 Atria Valves are flaplike structures that open and close to allow or disallow the flow of blood, keeping it flowing in one direction
  8. Heart Facts Heart beats 100,000 times a day 35 Million times per year 2.5 Billion times in a lifetime One blood cell cycles through the heart 3 times per day!
  9. Three Types of Blood Vessels Blood vessels transport blood through the body Arteries Veins Capillaries
  10. Arteries Carry blood that is high in oxygen (except for the Pulmonary arteries) Carry blood that is low in waste products (except for the pulmonary arteries) Carry blood away from the heart Contain smooth muscle Most are found deeper in the body
  11. Aorta
  12. Coronary Artery
  13. Veins Low in oxygen ( except for the pulmonary veins) High in waste products such as CO2 ( except for the pulmonary veins) Carries blood back to the heart Made of smooth muscle Thinner than arteries Many are found closer to the surface
  14. Veins Contain Valves Blood flow must “defy gravity” to travel back to the heart Valves prevent the blood from moving backwards
  15. Veins Veins are located near skeletal muscles As skeletal muscles contract they help push the blood toward the heart
  16. Capillaries Smallest vessels – only one cell thick! Include both vein and artery capillaries The only vessel that lets blood in or out Capillaries are very close to individual body cells (no more than 3 or 4 cells away)
  17. Blood Flow Through the Body Right Atrium Oxygen poor blood comes FROM the body and dumps into the Right Atrium
  18. Blood Flow Through the Body Right Ventricle Oxygen poor blood leaves the right atrium and is pumped into the RIGHT VENTRICLE
  19. Right Ventricle to the Lungs!
  20. In the Lungs the RBC’s get Oxygen
  21. Lungs to Left Atrium After the RBC’s pick up oxygen from the lungs they go back to the heart The oxygen rich blood flows to the Left Atrium It stays in the left atrium until the heart contracts and squeezes it into the ...
  22. Left Ventricle! The Left ventricle receives Oxygen rich blood from the Left Atrium. Then the Left Atrium contracts and squeezes the oxygen rich blood out to the body
  23. Blood Vessels Connect to Body Cells
  24. Structures & Functions of Blood Analytical Write a detailed response to answer the question: How do the structures of the blood enable them to perform their functions? Creative Create a model of blood flowing inside of a blood vessel depicting the various blood cells and their shapes/colors; label each blood cells and write a caption that describes its appearance and job Practical Research two different diseases of the blood, describe effects on parts of the blood, effects on the body, and possible treatments Leukemia, Hemophilia, Anemia or Sickle Cell Anemia
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