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15
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The natural pacemaker of the heart is called the ____________________.
SA Node
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5
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Largest artery in the human body
Aorta
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10
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Dome-shaped muscle responsible for breathing
Diaphragm
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10
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Blood vessels that take blood AWAY from the heart
Arteries
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25
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Explain what happens during inhalation.
Chest cavity and lungs expand and air flows into the lungs because pressure is greater outside lungs than inside.
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10
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A normal blood pressure reading is ________________ or above.
120/80
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20
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Microscopic air sacs where exchange of gases takes place
Alveoli
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25
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Explain what happens during an asthma attack.
Trachea, bronchi, and bronchioles suddenly constrict, causing difficulty breathing.
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15
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What is the function of the 4 heart valves?
Prevent backflow of blood
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10
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Main airways reaching into each lung are called the right and left ___________.
Bronchi
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eraser
Reset score!
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seesaw
Swap points!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 10 points!
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baam
Lose 10 points!
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fairy
Take points!
5
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15
20
25
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gift
Win 20 points!
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lifesaver
Give 20 points!
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15
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Muscular wall that separates the right side of the heart from the left side.
Septum
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20
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What is the function of the cardiovascular system?
To deliver nutrients/oxygen to body, to take away carbon dioxide, and to fight disease
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10
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The upper chambers of the heart knows as the filling chambers
Atria (right atrium and left atrium)
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baam
Lose 10 points!
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gift
Win 25 points!
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shark
Other team loses 25 points!
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lifesaver
Give 5 points!
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