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seesaw
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gift
Win 20 points!
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gift
Win 25 points!
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lifesaver
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15
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What is the function of the heart?
Creates oxygen
Controls breathing rate
Pumps blood throughout the body
Stores red blood cells
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15
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What materials do lungs bring in?
Carbon dioxide
Nitrogen
Oxygen
Water vapor
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15
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Which system controls breathing rate?
Respiratory system
Muscular system
Nervous system
Circulatory system
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15
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What do red blood cells carry?
Water
Carbon dioxide
Protein
Oxygen
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15
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What gas do you breathe out?
Nitrogen
Carbon dioxide
Hydrogen
Oxygen
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15
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Which organ system removes carbon dioxide from the blood?
Skeletal system
Respiratory system
Muscular system
Nervous system
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15
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What is heart rate?
Temperature of blood
Speed of blood flow
Number of heartbeats per minute
Amount of oxygen in lungs
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15
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What gas do you breathe in?
Oxygen
Carbon dioxide
Nitrogen
Helium
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15
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Which system brings oxygen to cells?
Respiratory system
Muscular system
Circulatory system
Skeletal system
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banana
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gold
Win 50 points!
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gift
Win 25 points!
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baam
Lose 25 points!
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15
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What is the function of the lungs?
Exchange oxygen and carbon dioxide
Create energy
Store oxygen
Control heartbeat
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15
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What happens when carbon dioxide levels in blood increase?
Breathing rate increases
Breathing stops
Heart rate slows
Muscles relax
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15
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What is the main function of the respiratory system?
Produces energy
Controls muscles
Stores blood
Brings oxygen into the body and removes carbon dioxide
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lifesaver
Give 10 points!
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fairy
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5
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25
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
15
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What happens to breathing rate during exercise?
It stays the same
It stops
It increases
It decreases
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