Homeostasis Flashcards
define homeostasis
the regulation of internal conditions of a cell or organism to maintain optimum conditions
why does the body need optimum conditions
to allow the body to function in response to internal or external changes
give 3 examples of factors the body needs to control
water levels
blood glucose levels
temperature
what are the 5 parts of a nervous response
receptor coordination centre effector response stimuli
give an example of a receptor
eyes
skin
what is a receptor
cell that detects stimuli
what is the coordination centre
it receives and processes info from receptors and coordinates a response
give 2 examples of a coordination centre
brain
spinal cord
what does the effector do
brings about a response
give 2 examples of an effector
glands give hormonal respond
muscles contract
what does the response do
it is the action that refuges the body or cell to optimum conditions
what is the stimuli
a change in the internal or external environment
