There is a disease that prevents the feeling of physical pain. True or False
TRUE. Congenital insensitivity to pain is a rare hereditary disease.
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15
People who are blind cannot read printed materials.
(False) Technology has enabled various kinds of print accessible. Screens and texts can become magnified and enlarged.
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15
On average, human skin weighs about 6 lb. (2.75 kg).
TRUE. The skin is the largest organ of a human body. On average, it weighs about 6 lb. (2.75 kg).
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20
Why do you think blind people often wear sunglasses when going out?
To make other people feel more comfortable when communicate with them (in terms of eye contacts)
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15
The eyes are always the same size from birth to death.
FALSE. Baby eyes are proportionally larger than adult eyes, but they are still smaller. At birth, our eyes are 75% of the size they will have when we become adu
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trap
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shark
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gift
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lifesaver
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15
Blind people see only darkness.
(False) Only 18 percent of people who are visually impaired are totally blind.
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15
The optic nerve transmits information to the brain at a speed of 68 mph (110 km/h). True or False?
FALSE. The optic nerve transmits information to the brain at a speed of 100 to 120 m/s or about 250 mph (400 km/h).
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15
Ears and noses never stop growing.
TRUE. Bones stop growing after puberty, but the cartilage of the nose and ears continue to grow for the rest of your life.
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15
The skin plays an essential role in the manufacture of vitamin C.
FALSE. The skin plays an essential role in the manufacture of vitamin D (not vitamin C). With the help of sunlight, the skin makes vitamin D, essential for fixi
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15
Which sense provide most information to human?
Sight. 2/3 of the information you receive from the surrounding is from your eyes.
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banana
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15
One foot can sweat the equivalent of half a glass of water in one day.
TRUE. A foot contains 125,000 sweat glands. It can sweat the equivalent of half a glass of water in one day.