a) brain; b) nerves; c) cerebrum; d) cerebellum; e) brain stem.
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10
Part of the brain in charge of involuntary actions.
Brain stem
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Part of the brain in charge of voluntary actions
Cerebrum
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10
What are the three main parts in which the ear is divided?
Outer ear, middle ear, inner ear.
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20
How do we see things? Describe the process.
Images enter through the pupil, and through the lens, which turns the image upside down. Then, it reaches the retina, which sends the information to the brain.