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23 Cards in this Set
- Front
- Back
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What are the two divisions of the PNS? |
efferent and afferent |
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Efferent sends signals from the _____________ to the effectors. |
CNS |
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Efferent divides into the ___________________ and the ____________________ nervous systems. |
Somatic and autonomic |
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SMNS controls the ___________________ muscles. |
voluntary |
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ANS controls the _________________ muscles. |
involuntary |
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____________________ nerves are found only in the head and the trunk |
parasympathetic |
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Function of the autonomic reflex : |
Directs the sympathetic or parasympathetic system to act. |
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Projection means ___________________________ |
the cerebral cortex tells us where a stimulus is occurring. |
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What happens in adaption? |
a receptors physically stops or slows in responding. |
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Parasympathetic and sympathetic responses can occur without ______________________. |
conscious thought |
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Mechanoreceptors include ________________________________________.
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hearing and touch receptors |
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Taste, smell,level of oxygen and pH levels are functions of which receptor? |
chemoreceptors |
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Which receptors provide a sense of body positioning? |
Proprioceptors
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Which receptors provide the sense of pain? |
nociceptors |
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Olfactoryepithelium and all of the neurons are replaced ever about ___________________________ .
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every two months
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Substancesmust be somewhat _____________________________ in order to be smelled
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water and lipid soluble |
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The sense of smell threshold is _____________. |
low |
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The organ of the gustatory sense is the _________. |
tongue |
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What temperature of food increases the taste sensation? |
warmer |
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The sense of balance is located in the ________. |
ear |
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___________ are photoreceptors that distinguish colors. |
Cones
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Know anatomy of the eye. Figure 9.13 |
Eye anatomy |
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Know that eye irritation tears are different and why a good cry helps us feel better. |
Hint: endorphines, antidepressant, and adrenocorticotrophic hormone |
