Homeostasis and Integration Flashcards
What is homeostasis?
The maintenance of a stable internal environment.
Which type of feedback mechanism opposes a change away from normal?
Negative feedback.
Which type of feedback mechanism amplifies a change?
Positive feedback.
Give an example of a negative feedback loop.
Body temperature regulation.
Give an example of a positive feedback loop.
Oxytocin release during childbirth.
Which systems primarily coordinate homeostasis?
The nervous and endocrine systems.
How do body systems integrate to maintain homeostasis?
They communicate and adjust functions through signals.
What happens if homeostasis is disrupted?
Imbalances can lead to disease or dysfunction.
How do receptors help maintain homeostasis?
They detect changes in the internal environment.
What is a ‘set point’ in homeostasis?
A target value or normal range for a physiological variable.
