Adrenaline And Thuroxine Flashcards
When is adrenaline released
In stressful or scary situations and the body detects it and sends nervous impulses to adrenal glands and secret adrenaline
What does adrenaline do
Gets body ready for fight or flight
Increase supply of oxygen and glucose to cells in brain and muscles
Increases heart rate
How does body control level of hormones
By negative feedback
What does thyroxine play important role in
-Basal rate of metabolism - speed at which chemical reactions in body occur while body is at rest
-simulating protein synthesis for growth and development
What hormone response releases thyroxine
The thyroid stimulating hormone -TSH
How does negative feedback system of Thyroxine keep blood level right
When level of thyroxine to high, secretion of TSH from pituitary gland inhibited -reducing thyroxine released.
