1 introduction Flashcards
what does the ANS mediate
involuntary control
what does the somatic system mediate
voluntary control and some involuntary responses (eg reflex arcs)
what transmits signals in the nervous system
nerve cells
what do myelin sheaths do in neurons
allow them to communicate faster
what does the blood brain barrier do
limits transport of substances into CNS
what do endocrine glands do
secrete hormones into the blood
what are the 3 types of hormones
peptide, steroid and amine
what is the key link between the nervous and endocrine systems
the hypothalamus
is the nervous or endocrine system wired
the nervous system is wired, endocrine is wireless
do neurotransmitters/hormones in the nervous or endocrine system travel long or short distance
neurotransmitters in nervous system diffuse short distance
hormones in endocrine travel long distance in blood
is the nervous or endocrine system rapid or slow
nervous=rapid and brief
endocrine=slow and long response
