Select two ways that your brain is protected from injury.

Your brain is about the size of a ___________________.

How many neurons are in your brain?

What is a neuron?

Select the three main parts of the brain.

What is the largest part of the brain?

If you lose the feeling in a body part, you may have become __________________.

A blocked blood vessel in the brain can lead to a __________.

Which part of the brain helps your muscles work together?

The pathway of nerves to and from the brain is called _________________.

The body's automatic actions like breathing, coughing, and beating of your heart are controlled by the ______________.

What part of the brain is #1 pointing to?

What part of the brain is #2 pointing to?

Which part of the brain is #3 pointing to?