$Cushing$ syndrome is associated with the dysfunction of which of the following glands?

Which is the function of norepinephrine?

Which of the following is known as the 'emergency hormone'?

The adrenal gland is derived from $ \text{..........} $.

Identify the statement/s given below that does not correspond to the functions of $Cortisol$:
$(i)$ Maintains cardiovascular system and kidney functions
$(ii)$ Produces anti-inflammatory reactions
$(iii)$ Maintains electrolyte balance,osmosis and blood pressure
$(iv)$ Suppresses immune response
$(v)$ Stimulates $RBC$ production

Name the three main regions of the adrenal cortex.