B11.4 Negative Feedback, Adrenaline And Thyroxine Flashcards
1
Q
What is negative feedback ?
A
Process that reverse the changes to the body’s environment
Such as sweating when hot
2
Q
What does the thyroid gland do ?
A
Controls metabolic rate inside the body including digestion, respiration and development and growth
3
Q
What does the Thyroid gland release ?
A
Thyroxine
4
Q
Where is adrenaline produced and why ?
A
Secreted by adrenal glands
Produced in times of fear and stress
5
Q
What causes the fight or fight responses and what are they ?
A
Adrenaline
Increased heart rate
Glycogen in liver converted to glucose
Increased breath rate
Blood diverted from digestive system to muscles
