Homeostasis Flashcards
Why is homeostasis important
Your cells need the right conditions in order to function properly
What is homeostasis
The regulation of the conditions inside your body to maintain a stable internal environment in response to changes in both internal and external factors
What is Negative Feedback
When the level of something gets too high or too low your body uses negative feedback to bring it back to normal
What is the route of Negative Feedback
Receptor detects a stimulus
The coordinationcentre organises a response
effector produces a response
which counteracts the change and restores the optimum level
Give examples of conditions maintained by homeostasis in the body
Blood glucose concentrations
Body Temperature
Water levels
What are the two types of responses used in the body’s control system
Nervous and Chemical
What three components do all control systems have?
Receptors
Coordination Centres
Effectors
What is the function of a receptor?
Receptors detect changes in the environment(stimuli)
What is the function of a coordination centre?
To obtain and process information from the receptors
What is the function of an effector
To bring about responses to sitmuli
