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