Homeostasis Flashcards
What does homeostasis mean?
Maintaining a stable internal enviroment
What automatic controls are there in your body that regulate your internal environment?
Nervous and Hormonal communications control water levels, body temp, and blood glucose
What are the three main automatic control systems that maintain a steady condition?
Receptors, coordination centres and effectors
What does a negative feedback mean?
It counteracts changes
When does your body use negative feedback?
When the level of something gets too high or low
What is the first stage of negative feedback?
Receptor detects a stimulus
What is the second stage of negative feedback?
The coordination center receives and processes the information, then organises a response
What is the third stage of negative feedback?
effector produces a response which counteracts the change and restores the optimum level