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20
×
Why do we breathe faster and deeper when we exercise?
Because our muscles work harder and need more oxygen.
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boom
Lose 50 points!
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shark
Other team loses 25 points!
Okay!
×
shark
Other team loses 20 points!
Okay!
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thief
Give points!
5
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25
20
×
Blood with carbon dioxide flows away from the heart to the rest of the body.
True
False. It flows back to the heart through the veins.
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20
×
Explain what the excretory system does.
It eliminates waste and excess water from the body in the form of urine.
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20
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Thee excretory system is made up of...
urinary system and sweat glands
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10
×
What are the blood cells that carry oxygen and nutrients?
Red blood cells
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heart
Other team wins 15 points!
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shark
Other team loses 15 points!
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gift
Win 5 points!
Okay!
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lifesaver
Give 25 points!
Oops!
10
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WhatÂīs the name of the process where food particles are broken down into nutrients so that they can be absorbed by blood and give energy to our body?
Digestion
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heart
Other team wins 20 points!
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star
Double points!
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rocket
Go to first place!
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banana
Go to last place!
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20
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Where does the exchange of oxygen and carbon dioxide happen in the lungs?
Brochioles
Trachea
Bronchi
Alveoli
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10
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Which gas is absorbed by the lungs?
Oxygen
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15
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Which direction does blood travel through veins?
Towards the heart.
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15
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Which blood vessels carry blood away from the heart?
Capillaries
Bronchioles
Veins
Arteries
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thief
Give points!
5
10
15
20
25
×
gift
Win 25 points!
Okay!
×
shark
Other team loses 25 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
20
×
What is urine made up of?
Stomach acid and water
Nutrients and oxygen
Excess water and waste products
Blood and carbon dioxide
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20
×
What is the main function of the respiratory system?
The respiratory system takes in oxygen (that our cells need) and expels carbon dioxide.
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