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Human Body
Eye Anatomy
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A person with fuzzy vision basically cannot see detail clearly. This can lead to different abnormalities, including astigmatism, presbyopia, farsightedness, and nearsightedness. A person with this blurred vision should use what type of eyewear?
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Glasses
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binoculars
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Goggles
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Hats
Explanation
Researchers and studies claim that more than 50 percent of individuals around the world need to use a pair of eyeglasses to correct vision.
What part of the eye is responsible for giving humans the skills to distinguish colors?
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Retina
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Rods
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Lens
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Cones
Explanation
The retina is made with ten layers of photoreceptors, blood vessels, and nerve cells. It works as the light receiver that comes from the lens.
When you look at something, and it reaches your eye's retina, the image turns upside down. What part of the eye is responsible for making the image right-side-up?
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The brain
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The optic nerves
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Retina
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Lens
Explanation
Your brain is the fattiest organ in your body, considering that approximately 60 percent of its part are made from fats.
According to researchers, crying tears can be self-soothing as it helps your body to release endorphins and oxytocin. Aside from this, what do tears do to your eyes?
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It protects your eyes from the different particles, such as dust
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To ask for apologies
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To show that you are hurt
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To conscience someone who hurt you
Explanation
There are three types of tears, including emotional tears, reflex tears to wash irritants, and basal tears for cornea protection.
What part of the eye is the messenger that delivers the visual information received by the retina? It can be found in the back part of your eyes.
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The optic nerves
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Blood vessels
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Retina
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Sclera
Explanation
The optic nerve is known as the cranial nerve II or the second cranial nerve and delivers information to your brain from the retina.
Different people and races have unique eye colors. With that in mind, what part of the eyes is the most colorful?
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Iris
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Eyeball
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Cornea
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Your pupils
Explanation
Your pupils look like a hole that can be found at the center area of the iris, which sends the light to your eye retina.
Your eyes are made with different parts, including the cones. To view things clearly around you, the cones work together with which part of your eyes?
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The rods
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Your pupils
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The lens
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Glasses
Explanation
The rods look like an elongated jelly with four different regions, namely the synaptic region, the cell body, an inner segment, and an outer segment.
If you compare the average size of a human eye to something you can see around your house, what would it be?
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Similar to the size of a ping-pong ball
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Similar to the size of a basketball
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Smaller than a regular tennis ball
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Smaller than the size of an average-sized apple
Explanation
The size of your eyes remains the same as the day you were born, while your ears and nose continue to grow.
Which part of the eye is the biggest and responsible for its overall shape? It shares about two-thirds of the overall volume of the eye and contains vitreous humor that looks like jelly and clear-like material.
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Vitreous body
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Lens
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Pupil
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Rods
Explanation
The vitreous body looks like a solid jelly-like fluid, an integral part of the human body that helps to maintain high-quality function of the eye.
Which part of your eye automatically shuts when there is an upcoming danger? It also works as the protector of your eyes.
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Eyelid
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Lens
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Eyelash
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Iris
Explanation
Your eyelid has Meibomian glands that work for secreting the lubricating fluids, muscles enabling your lids to move, and a fibrous plate giving the shape and structure.
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