The brain is made up of about 100 billion brain ____. These brain cells are called ____ and they are connected to each other. Each brain cell is connected to up to one million other cells. New connections are constantly being made as you learn and try new things. We build brain ____ by thinking. The act of ____ creates a connection by sending a signal. These ____ go from one set of neurons to another at ____ as fast as 1000 feet per second— faster than jets! The brain then turns those signals into thoughts or actions. When we practise something, we are making the same connection over and over. When we ____, again and again, that connection between those neurons becomes stronger. When the connections between your neurons get ____, the activity is ____ for you to do!

How Does Our Brain Work?

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