Distinguish between the following pair on the basis of the words indicated in the brackets.

Thyroxine and adrenaline (source)

Distinguish between the following pair on the basis of the words indicated in the brackets.

Human male and female hormone (one example of each)

Give reason/explain — Epinephrine is also called as the 'emergency hormone'.

Draw neat and labelled diagrams of the thyroid gland showing its :

(a) Front view

(b) Back view