feedback Flashcards
what is the feedback mechanism
process that monitors the internal environment
why is feedback mechanism important
helps to maintain internal environment and prevents the interference of external stimulus
what is a stimulus-response model
a model that shows how organism respond to stimuli
what is a stimulus
a signal that causes response
what is a receptor
a structure that detects or receive stimuli
what does a receptor detect
stimuli
where is the receptor found
processing center
what is a processing center
organ or organ system (central nervous system ) receives signals from a receptor and sends appropriate response to effectors
what types of feedback are there
positive and negative
what feedback does homeostasis use
negative feed back
what is negative feedback
a continuous process responses to counteract disturbance in order to keep substances within a narrow area in order for cellular function
what is positive feedback
a process that response to reinforce and disturbances
an example of negative feedback
homeostasis
how are positive and negative feedback different
one is used to counteract disturbances in the body (negative feedback) whereas positive feedback strengths and maintains disturbances
