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1) ________ are short segments of intestine that alternately contract and relax. they are
responsible for ________.
2) the enteric nervous system and the brain have several similarities. what are they?
3) pick one hormone from chapter 23 and design a concept map showing the feedback
pattern, types of hormone receptors and how this relates to normal cellular / tissue
responses, and areas in the map which could be the cause of pathologies (i.e.,
hyposecretion, hyperresponsiveness, ).
4) the ________ of a hormone is an indicator of how long a hormone is active in the
body.
5) tom has just been exposed to the measles virus, and he can't remember if he has had
measles before. he asks you if there is any way he can tell if he has been previously
exposed or if he is going to get sick. what would you tell him? why won't he get sick
from a second infection?
