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My brain keeps my heart beating and my lungs ________.
breathing
eating
smelling
My brain is in my _____.
chest
skull
leg
My skull _________ my brain
protects
is the boss of
plays with
My nervous passes _________ between my brain and body.
messages
notes
candy
My brain passes messages using a highway of ______.
bones
nerves
hearts
It takes ____________ time to feel the tag and start running
lots of
almost no
no
Messages travel between my brain and nerves.
2 kmh
105 kmh
523 kmh
My brain _____ when I sleep
doesn't work
works
How many systems does my body have?
3
12
6
8
My brain ______ for me all the time, even when I sleep.
grows
plays
works
___________ can go up to five times faster than cars on a highway.
Brains
Lungs
Messages
______ can be found all over my whole body.
Hearts
Nerves
Brains
