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The ear and other senses

Across
The ________ ___________ (2 words) theory states that when certain skin receptors are activated as a result of an injury, a "pathway" to the brain is opened, allowing pain to be experienced.
The brain makes use of a phenomenon known as _________ _________, (2 words) or the difference in the images the two eyes see, to give three dimensions to sight.
__________ analysis deals with the way in which we break an object down into its component pieces in order to understand it.
When a car passes you on the road and appears to shrink as it gets farther away, the phenomenon of ___________ ___________ (2 words) permits you to realize that the car is not in fact getting smaller.
The purpose of the eardrum is to protect the sensitive nerves underneath it. It serves no purpose in actual hearing. True or False?
The tube-like passage leading from the outer ear to the eardrum is known as the __________ __________ (2 words).
Down
The three fluid-filled tubes in the inner ear that are responsible for our sense of balance are known as the __________ __________ (2 words).
Processing that recognizes the individual components of a stimulus is known as _____________.
The ________ theory of hearing states that the entire basilar membrane responds to a sound, vibrating more or less, depending on the nature of the sound.
___________ ___________ (2 words) is the ability to view the world in three dimensions instead of two.
Processing that involves higher functions such as expectations and motivations is known as _____________.
The three middle ear bones transmit their sound to the ________ ___________ (2 words).