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Bill Nye: Circulatory System

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  • What gas has the greatest volume in the air you breathe?
    Nitrogen
  • What is the name for the action of pulling air in?
    Inhale
  • What is the name of the flat muscle which pulls and pushes air?
    Diaphragm
  • How much Oxygen is prsent in the air we breate in?
    21 percent
  • Where is the heart in the body?
    to the left
  • What is the name of the 2 upper chambers of the heart?
    Atrium
  • How does exercise affect your heart rate?
    It increases it
  • In your blood you have both _______ and white blood cells. (red/green/blue)
    Red
  • What carries all the nutrients to your bones? (blood/oxygen)
    Blood
  • What is your pulse?
    How many time your heart beats in a minute
  • How much Carbon Dioxide do we breathe out?
    4 percent
  • Which organ removes Carbon Dioxide?
    The heart
  • What is your lung capacity?
    How much oxygen your lungs can hold
  • What are very small blood vessels next to every cell in your body? (capillaries/veins)
    Capillaries
  • Name a disease that can affect the circulatory system?
    cancer
  • What is the system that circulates blood and nutrients through the body?
    The circulatory system
  • What does the aorta do?
    carry oxygenated blood away from the heart
  • What is the function of veins?
    Return blood to the heart to be oxygenated
  • What is the name of the long tube that takes air from the mouth to the Bronchi?
    Bronchial tubes
  • Which blood vessel carries blood to the heart? (veins/arteries)
    Veins
  • How big is the heart?
    The size of a fist
  • The left and right side of your heart send blood to___________ parts of your body.
    Different
  • What is the name of the 2 bottom chambers of the heart?
    Ventricle
  • Which organs are involved in the circulatory system?
    The heart and lungs
  • How many times does your heart beat every day?
    100,000
  • Which blood vessel carries blood AWAY from the heart? (veins/arteries)
    Arteries
  • What do we call tubes that take air into the lungs
    Bronchi
  • Why is the blood coloured blue in diagrams?
    Deoxygenated