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What are the types of receptors?
Mechanoreceptors, thermoreceptors, pain receptors, chemoreceptors, and photoreceptors.
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What do mechanoreceptors do?
Respond to mechanical energy.
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What do thermoreceptors do?
Respond to temperature, hot or cold.
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What do pain receptors do?
Respond to tissue injury, excessive pressure.
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What do Chemoreceptors do?
Respond to the presence of chemicals in the nearby area. (Taste and smell)
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What do photoreceptors do?
Respond to light.
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What is an example of referred pain?
Chest pain, tend to feel pain in the left arm.
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What are olfactory receptor cells?
Chemoreceptors that bind with odorants.
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What is the correlation between taste and smell?
Chewed food releases chemicals that come in contact with olfactory receptors.
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What are the smalles bones in the body?
Malleus, incus, stapes (bones of the ear).
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What is the function of the outer ear?
Channels sound waves, inner border is eardrum (tympanic membrane).
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What is the function of the middle ear?
Amplifies sound.
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What is the function of the inner ear?
Sorts and converts sound vibration to nerve impulses.
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Where is our best vision found?
Fovea
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What is our blindspot?
Optic disc
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What helps support the eyeball?
Vitreous humor
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What is the function of vision?
Detecting and interpreting visual stimuli by converting light energy to nerve impulses and transmitting them to the brain.
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How is light regulated?
Iris opens or closes to control light to retina.
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What is myopia?
Eye slightly longer, nearsighted.
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What is hypeopia?
Eye is shorter, farsighted.
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What is astigmatism?
Irregularities in cornea or lens.
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What does the retina allow us to see?
In color, adapt to varying light intensities and perceive images.
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