What is this?
strong
stretch
grow
change
What is this?
grow
stretch
strong
change
What's this?
strong
change
stretch
grow
What's this?
brain
control
think
do
What's this?
control
stretch
think
do
What's this?
do
inside
control
think
What's this?
outside
do
think
control
What's this?
feel
inside
outside
What's this?
inside
outside
What's this?
feel
do
stretch
outside
What's this?
connection
think
control
feel
What's this?
stretch
outside
neurons
dog
