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Bio Vocab-2

vocab on intro to cells, homeostasis andendocrine system, and the nervous system

QuestionAnswer
cytoplasm substance btw cell membrane and the organelles
organelles parts of a cell w/specific functions
selectively permeable certain things may or maynot go thru the cell membrane
gland cell or group of cells that releases a substance called secretions
secretion hormones released into blood
endocrine system release thier secretions directly into the organs that use them
hormone chemical secretions of endocrine glands
target cells cell w/specific receptor sites to which chemical messenger can attach
homeostasis internal stability or steady state maintained by your body
negative feedback change in conditions causes response that counteracts or negates that change
stimulus change in the enviornment that causes an organism to do something
response what an organism does when there is
neuron nerve cell
nerve bundle of neuron surrounded by connective tissue
synapse space btw two neurons or a neuron and another cell
neurotransmitter chemical messenger that carries info across a synapse from one neuron to another or to another cell
Created by: bamn
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