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4chapter37
 

4chapter37

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    4chapter37 4chapter37 Presentation Transcript

    • Chapter 37 Circulatory and Respiratory Systems
    • The Circulatory System
      • - The main source of the circulatory system is the heart.
    • Function of the Circulatory System
      • The heart pumps blood to the lungs and the rest of the body.
    • Blood Vessels
      • Blood is being transferred through 3 types of vessels:
      • - Arteries
      • - Capillaries
      • - Veins
    • Blood Pressure
      • - Wave of fluid pressure in the arteries
      • Sphygmomanometer is a machine to measure blood pressure.
      • Normal blood pressure 120/80
    • Disorders
      • Some disorders in the circulatory system are:
      • - High Blood Pressure
      • - Heart Attack
      • - Stroke
      • - Sickle cell anemia
    • The Organs of the Respiratory System
      • The 6 main organs of the Respiratory System are:
      • - Nose
      • - Pharynx
      • - Larynx
      • - Trachea
      • - Bronchi
      • - Lungs
    • Gas Exchange
      • Carbon dioxide is being exchanged with oxygen.
    • Breathing
      • When you breathe in (inhale) the diaphragm contracts.
      • When you breathe out (exhale) the diaphragm relaxes.
    • How is breathing controlled?
      • It is controlled by the brain.
      • Also, its controlled by the level of carbon dioxide in the blood.
    • Smoking
      • The 3 main substance in tobacco are:
      • - Nicotine
      • - Carbon Monoxide
      • - Tar
      • There are 3 diseases you can get from smoking:
      • - Chronic bronchitis
      • - Emphysema
      • - Lung Cancer