Negative feedback Flashcards
1
Q
What is negative feedback?
A
When the body responds to an increase or decrease in a factor by returning it back to its original level.
2
Q
What does thyroxine do?
A
- Regulates metabolic rate (how quickly reactions occur).
- Important for growth and development
- ## levels of thyroxine are controlled by negative feedback
3
Q
What does adrenaline do?
A
- released at a time of stress and stimulates ‘fight or flight’ response
- effect of adrenaline include: increased heart + breathing rate to deliver more oxygen and glucose to the bram and muscles for respiration
