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Transcript of 3.06 Senses
Label the parts of the eye in the picture. The choices are optic nerve, cornea, iris, pupil, lens, and retina.
(6) Optic nerve
List four sensations detected by the tactile receptors in the skin
Label the parts of the ear in the picture. The choices are ear canal, oval window, cochlea, pinna, tympanic membrane, ear ossicles, cochlear never, semicircular canals, and Eustachian tube.
(2) Ear Canal
(3) Tympanic Membrane
(4) Cochlear Never
(5) Oval Window
(7) Ear Ossicles
(8) Semicircular Canals
(9) Eustachian Tube
Age of My Eyes
What was the "age" of your eyes?
Right without glasses 30 years old, with glasses 20 years old.
Left without glasses 25 years old, with glasses 18 years old.
Back of Neck
Heel of Hand
What can you conclude about the density of touch receptors in your skin?
There are more touch receptor in the areas where we most often touch things and would need protection such as our hands for feeling and our neck for protection.
How does this compare to your actual age?
I am 17 so my eyes are much older then me!
Use your notes from this lesson to describe how the eye processes what is sees.
Your eyes work like a camera, the iris controls how much light is let into the eye in order to help focus and see if different amounts of light, the light that comes into the eye is focused on the lens and flipped upside down onto the retina. From here the retina turns this image into a nerve impulse and send it to the brain where the image is flipped back right way up.
Using what you know about eyesight and image processing, why can age affect the function of the eyes?
Different problems such as more exposure to sun light over many years could hurt the eyes along with mental problems to stop the brain from being able to proccess the image as well as well as many other problems that come from many years of use for the eyes.
Standing on one foot
One foot, eyes closed
One foot, eyes closed, head back
Which stance made it the hardest to balance? Why do you think that is?
Having my head back words was the hardest because my ears ere off center throwing
off my balance.
How much of an impact does your inner ear have on your sense of balance?
Your inner ears are the main sense of balance so without that function it would be nearly impossible to walk or stand properly.
Type of Liquid:
Location on the Tongue
Taste Type with nose plugged:
Location of tongue with nose plugged:
Use your lesson notes to explain the results for the taste sensations in each of the regions of your tongue?
Our tongues are full of taste buds, which are papillae cells bundled together, this cells end nerve impulses of the four basic tastes to the brain so that it knows what you are eating.
Can you explain why it may be more difficult to map taste with your nose plugged?
Taste Buds can only taste the four basic tastes but the nose and add specific sents to the taste making the taste easier to identify.