The "meat" in our bodies that give the strength to move
muscle
The hole in the middle of the eye where light comes in
Pupil
When it is dark our pupils get...
bigger
How does our brain process information?
By getting information from our senses
These form the frame, and give structure to the body
Bones
The protective lens at the front of the eye
Cornea lens
When it is bright our pupils get...
smaller
What are the five senses?
Sight, Touch, Taste, Hear, Smell
Moving places where the bones meet
Joints
The back of the eye that sends information to the brain
Retina
Why do our pupils get larger in the dark?
They are trying to let as much light in as possible.
What are the nerves that send information from our senses to our brain?
Sensory Nerves
Strings that attach the bones to the muscle
Tendons
What causes some people to have blurry vision?
When their cornea and retina are either too close together, or too far apart.
Why do our pupils get smaller in the dark?
Our pupils do not need to let in as much light since it is already bright.
What are the nerves that send information from our brain to our muscles?
Movement Nerves
Complete this sentence:
_____ pull on _____ that make ______ in our ______ move
MUSCLES pull on TENDONS that make BONES in our JOINTS move
Describe the two types of blindess
When the cornea lens is clouded. When something is wrong with the retina.
What two traits do nocturnal animals have that allow them to see better in the dark?
1. Their pupils can get much larger.
2. They have a reflective layer in the back of their eyes
What are the three functions of the brain?
1. Takes in information
2. Makes decisions
3. Controls movement