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