What does an average human brain weigh?

Neurons are the brain cells that do all the work to keep you moving and thinking. How many neurons are there in your brain?

As your brain developed during early pregnancy, how fast did your neurons multiply?

Which side of your brain has more neurons?

A synapse is a connection between two neurons through which they communicate. How many synapses does a typical neuron have?

What is the total length of all the nerve fibres in your brain?

How fast can information travel in your brain?

What proportion of the oxygen pumped around your body is used by your brain?

How long before you lose consciousness after losing blood supply to your brain?

In ancient Egypt, the brain was removed from the body before mummification. How was it removed?