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Period4

4Brain

QuestionAnswer
What is the transparent covering of the eye? Cornea
What is the round, pigmented(colored) membrane that regulates the amount of light in the eye? Iris
What is the transparent covering of the eyeball? Cornea
What is the opening through which light enters the eye? Pupil
What part of the eye focuses light rays on the retina? Lens
What part of the eye transforms an image into electrical signals? Retina
How do electrical signals travel to the brain? Optic Nerve
Where are the receptor cells that send electrical signals to the brain that identify smells? Nasal cavity
Name the four kinds of taste buds. Sweet, sour, salty, bitter
The central nervous system consists of what two parts? The brain and the spinal cord
What is the cerebrum? The largest part of the brain that controls thinking, voluntary muscles, memory and senses.
What is the cerebellum? The part of the brain that controls muscle movement.
What is the brain stem? The part of the brain that controls involuntary muscles and automatic functions.
What are neurons? Nerve cells that carry electrical impulses.
What is a synapse? The place where neurons almost touch.
What part of the ear receives sound waves that travel through the air? The outer ear.
The part of the ear that sound travels through to reach the eardrum. The auditory canal
Where in the ear do vibrations strike three tiny bones (the anvil, the hammer & the stirrup). The middle ear
The cochlea is located in which part of the ear? The inner ear.
What part of the ear is filled with liquid and tiny receptor cells that are moved by sound? The cochlea
Created by: CMull-Young
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