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☆☆☆☆☆electro-chemical
cilia
What is the purpose of the myelin sheath?
RIGHT Answer--- The myelin sheath serves as an insulator for the axon.
cerebrum
This is the cerebrum, where higher-order thought processes occur. The cerebrum is responsible for mental processes such as memory recall, language, art, emotional control and many fine motor skills like the ability to write (or text).
the peripheral nervous system and the central nervous system
For telling if a sound is coming from the left or the right, direction is mostly determined by amplitude. This is easily done because one's ears are located on the left and right side of one's head. However, we do not have ears on the front and back of our heads(thank God, that would look silly). So how are we able to tell whether or not a sound comes from the front or the rear. This is done with the following design:
The part of your ear that's all cartilage (pinna) is shaped kind of like a funnel - but a shallow, really irregular one. Depending on the direction the sound comes from, it hits the ear in a different way, altering the frequencies that get amplified. Think of an instrument - a guitar has a lot of space for vibrations, so bigger, low-pitched sounds get amplified; a piccolo has almost no space, so very small high-frequency vibrations are amplified and any lower-frequency waves hit the inner wall of the instrument and get silenced. Every one of the little valleys and furrows in the ear alter the pitch slightly, canceling out some frequencies and amplifying others. This means that sounds from above, behind, or below you have been altered in very specific ways by the time they reach the auditory canal, and these alterations clue you in to the "angle of impact".
they have a feedback system <3 taytay
threshold
The pupil is the opening in the center of the iris of the eye, through which light passes to the retina.
opponent-process theory
What part of the brain is indicated in red?
A: parietal lobe
What part of the brain is indicated in red?
A: temporal lobe
absoulte threshold.
binocular cues
binocular cues.
Monocular cues use tension of the muscle attached to the lens to tell how close an object is if less than four feet away.
Perception
parallel processing
the parasympathetic nervous system
the principle of proximity
stimulation deafness
attention
The four basic tastes are bitter tastes, sweet/sugary tastes, salty tastes and sour tastes
Sweet, Salty, Sour and Bitter.
They had a large variety of farm products
the ear drum
thymus gland
pituitary gland
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