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Reactions
Eyes
Ears
Smell, Taste, Touch
Locomotor System
100
What detects information?
The sense organs
100
What sense do we use our eyes for?
Sight
100
What are the three parts of the ear?
Outer ear, middle ear, and inner ear
100
Where is the mucous membrane?
In the nose
100
What are the three types of bones?
Long bones, short bones, flat bones
200
What do the nerves do?
The nerves carry information from the sense organs to the brain
200
What three things protect our eyes?
Eyebrows, eyelashes, and eyelids
200
What two things are in the middle ear?
The eardrum and the small bones
200
Where do smells enter the nose?
The nostrils
200
What are the two types of joints?
Joints that allow movement and joints that don't allow movement
300
What organ decides how we react to information?
The brain
300
What is the iris and what does it do?
It is the colored part of the eye that expands and contracts to control the amount of light entering the eye
300
What does the eardrum receive and send to the inner ear?
Vibrations
300
What are taste buds?
Tiny bumps on the tongue that detect taste
300
Give two examples of groups of bones.
Skull, hands, foot, rib cage
400
What two things carry out the reactions?
Our muscles and other organs
400
What is the pupil?
It is the opening that light passes through
400
What two parts make up the outer ear?
The ear and ear canal
400
What does the skin use to feel?
thousands of tiny nerve endings
400
What are the two types of muscles? Which type produces movements? 
Muscles that are joined to bones and muscles that are not joined to bones. 


Muscles joined to bones produce movement

500
Describe the two types of reactions
Reactions can be quick and automatic, or slow because our brain needs to think about how to respond.
500
Explain how the eye sends information to the brain. 
Images in the back of the eye are transformed into signals that are transmitted through the optic nerve to the brain
500
What does the cochlea do?
Turns the vibrations into signals to send to the brain
500
What areas of the skin are very sensitive?
Fingertips
500
Explain how muscles work.
Muscles receive commands from the brain and contract and pull the part of the body they are attached to