This takes information from your senses, controls your body and stores your memories.
Brain
What kind of animals are active during the night?
Nocturnal Animals.
When it is dark your pupil
Becomes larger to let more light in.
These nerves allows your body to respond to what your brain is thinking. They send messages from your brain to your body to tell your body to move.
Movement Nerves
Animals that are active at night have larger pupils than humans so that...
They can see better in the dark.
Your pupil gets bigger or smaller in the dark?
Bigger
These nerves carry information to your brain. They send information from your body to your brain so your brain can figure out how to move.
Seneory Nerves
People's eyes sometimes look red in pictures because...
there is blood behind the back of the eye.
What happens when your brain takes separate images from both eyes and puts them together?
You can see.
Why does your pupil get larger when the room is dark?
To let more light in so you can see in the dark.