regulation Flashcards
what is homeostasis?
nerve and chemical control
what does the axon terminal do?
releases message
what does the axon do?
transmits message
what does the cell body do?
translates message
what does the dendrite do?
receives message
what is the connection between two nerve cells called?
synapse
what happens if one nerve cell dies out in a synapse?
the other nerve cell will no longer receive messages.
what is a response?
it is a reaction to stimuli
what is an effector?
they carry out response, ex: “muscles/glands”
nerve net
no brain such as a hydra or a jellyfish
nerve cord
primitive brain, ex: earth worm, “peripheral nerves”
where is chemical control in plants?
- tips of roots
- in buds
- and seeds
where is chemical control in humans?
they are hormones. they are either endocrine glands or ductless glands.