Intercellular communication in multicellular organisms occurs through

The hypothalamic hormones reach the pituitary gland through$:-$

Write short notes on the functions of the following hormones: (Any four)
$(a)$ Parathyroid hormones $(PTH)$
$(b)$ Thyroid hormones
$(c)$ Thymosin
$(d)$ Androgens
$(e)$ Estrogens
$(f)$ Insulin and Glucagon

The following table summarizes some endocrine glands,their hormones,and their functions in the human body. Identify the correct options for the three blanks $A, B$,and $C$.

Endocrine Gland	Hormone	Function
$A$	Estrogen	Maintenance of secondary sexual characters
Alpha cells of Islets of Langerhans	$B$	Increases blood glucose level
Anterior Pituitary	$C$	Hypersecretion causes gigantism

Match the entries in Column-$I$ with those of Column-$II$ and choose the correct answer given below.

Column-$I$	Column-$II$
$A$. $FSH$	$(p)$ Normal growth
$B$. $GH$	$(q)$ Ovulation
$C$. Prolactin	$(r)$ Parturition
$D$. Oxytocin	$(s)$ Water diuresis
	$(t)$ Milk secretion

Identify the odd one out.