Beginner Vocab Flashcards
1
Q
Homeostasis is
A
the maintenance of a relatively constant internal environment
2
Q
Homeostasis part one / Function
A
Receptor: Sensor sensitive to environmental change
3
Q
Homeostasis is controlled by
A
nervous system and endocrine system
4
Q
Homeostasis part two / function
A
control center: receives and processes information from the receptor
5
Q
Homeostasis part 3 / function
A
Effector: Responds to control center commands
6
Q
Negative Feedback
A
effector negates the original stimulus (tries to “undo”). Negative feedback minimizes change.
7
Q
Positive feedback
A
effector enhances original stimulus and accelerates change (adds fuel to the fire!)
8
Q
Positive feedback is necessary when…
A
potentially dangerous processes need to happen quickly before homeostasis is restored (like a blood clot)
