b5 Flashcards
Homeostasis
maintaining a stable internal environment
what does the nervous system do
detects and reacts to stimuli
What does the central nervous system do
coordinates the response
what do synapses do
connect neurons
what do reflexes do
prevent injury
what does the reflex arc go through
the central nervous system
what is the connection of 2 neurons called
a synapse
what are hormones
chemical messengers sent in the blood
what are nerves characteristics
very fast action
precise area
short time
what are hormones characteristics
slower action
act for long time
general way
where are hormones produced
endocrine glands
examples of glands
ovaries
testes
thyroid
pancreas
what controls blood glucose level
insulin and glucagon
what is added when blood glucose level is too high
insulin
what is added when blood glucose is too low
glucagon
