Small amount of …$A$… steroids are also secreted by …$B$…. Cortex which play a role in the growth of axial hair, pubic hair and facial hair during puberty.

Choose the correct combination for $A$ and $B$

Inflammatory responses can be controlled by a certain steroid. Name the steroid, its source and also its other important functions. 

$I.$ Increased alertness    $II.$ Pupillary dilation    $III.$ Raising of hairs    $IV.$ Sweating

All of the above written physiological processes are regulated by

When the normal heart of a man is injected with physiological concentration of adrenaline it shows