Topic 3- The Endocrine System

Question 1

PEEL 1
Control levels of cortisol

Answer 1

P- A positive on the pituitary- adrenal gland system.
E-The hypothalamus & pituitary gland have special receptors that monitor cortisol levels.
E- They can respond to increased cortisol in blood by reducing secretion of CRF & ACTH, so levels then return back to normal.
L- Limiting the potentially damaging effect of cortisol on the body.

Question 2

PEEL 2
Long term stress

Answer 2

P- This system may not always work
E- Some researchers believe that this feedback system may break down when individuals are exposed to long term stress.
E- The longer the person is exposed to stress, the more adverse the effects are.
L- This could relate to why people in stressful jobs or relationships suffer more stress-related illnesses.