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Jugar Test
1. 
It travels in thin tubes called
A.
Blood vessels
B.
Blood
2. 
Where is the heart?
A.
In the brain.
B.
In the middle of the chest.
C.
Near the brain
3. 
The heart works
A.
Day
B.
Night
C.
Only in the morning
4. 
When we are resting
A.
Heart beast faster.
B.
Heart beats slower
5. 
Our circulatory system made up
A.
Heart
B.
Blood
C.
Blood vessels