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15
×
What is the avarage size of the heart?
The size of a person's fist.
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15
×
What happens to your heart when you practice exercise?
It pumps blood faster.
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15
×
What are the main organs of the excretory system?
The kidneys
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banana
Go to last place!
Oops!
×
gift
Win 25 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
15
×
It is common to say that the kidneys have the same shape of...?
Beans
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lifesaver
Give 20 points!
Oops!
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shark
Other team loses 15 points!
Okay!
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shark
Other team loses 10 points!
Okay!
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lifesaver
Give 10 points!
Oops!
15
×
True or false: a person can survive with just one kidney.
True.
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15
×
Blood vessels are separated into veins and arteries. Which ones are blue and which ones are red?
Veins are blue and arteries are red
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×
lifesaver
Give 20 points!
Oops!
×
shark
Other team loses 25 points!
Okay!
×
gift
Win 20 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
15
×
What is the main organ of the circulatory system?
The heart
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Check
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Check
×
lifesaver
Give 10 points!
Oops!
×
gift
Win 10 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 10 points!
Oops!
15
×
What is the name of the tubes that carry blood in the circulatory system?
Blood vessels
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15
×
What does the bladder do?
It stores urine
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15
×
What does the heart do?
It pumps blood.
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