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Pre-Test
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1
The senses of smell and taste depend on the presence of _____.
A)thermoreceptors
B)chemoreceptors
C)photoreceptors
D)mechanoreceptors
2
Chemical messages passed between individuals are called _____.
A)neurotransmitters
B)hormones
C)pheromones
3
In amphibians, chemoreceptors are located in the__________.
A)nose
B)mouth
C)skin
D)All of these
4
In adult humans, taste buds can be primarily found on the _____.
A)hard palate
B)epiglottis
C)tongue
D)All of these
5
There are _____ primary types of tastes.
A)two
B)five
C)six
D)eight





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