Part of the brain in charge of involuntary actions.
Brain stem
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15
Label the different parts of the picture.
a) brain; b) nerves; c) cerebrum; d) cerebellum; e) brain stem.
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15
Complete the sentences about the senses.
(Your _______ are the organs of _____________)
b) ears; hearing
c) eyes; sight
d) tongue; taste
e) nose; smell
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eraser
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fairy
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gift
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thief
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15
What is the function of our muscles?
They help us walk, stand, sit, hold objects and, in general, make movements.
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20
How do we hear? Describe the process.
Sound waves enter through the outer ear, hit the eardrum, and this vibration moves the liquid of the inner ear, what sends the signal to the brain.
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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.