adrenaline + thyroxine

• adrenal gland

  • releases adrenaline increases blood flow and breathing rate
  • prepares body for fight or flight
• thyroid

  secretes thyroxine which controls your body metabolic rate
• too low

  hypothalamus in brain releases TRH ---> pituitary gland to release TSH ---> thyroid to release more thyroxine

  (negative feedback)