How many of the following organs are included in both the endocrine system and the reproductive system?
Kidney,Ovary,Stomach,Small intestine,Pancreas,Testis

Select the correct option:
$(1)$ Thyrocalcitonin maintains the level of sodium / calcium in the blood.
$(2)$ Thymosin of the thymus gland is a steroid / peptide hormone.
$(3)$ The adrenal cortex secretes many hormones. They are commonly called corticoids / catecholamines.
$(4)$ Glucagon / Insulin is secreted from the $\alpha$-cells of the pancreas.

Match the following lists (Hormone and its source of secretion):

List-$I$	List-$II$
$(a)$ Somatostatin	$(1)$ Pineal gland
$(b)$ Melatonin	$(2)$ Corpus luteum
$(c)$ Aldosterone	$(3)$ Placenta
$(d)$ Progesterone	$(4)$ Adrenal cortex
$(e)$ $HCG$	$(5)$ Islets of Langerhans
	$(6)$ Adenohypophysis

Match the endocrine glands with their hormones and functions correctly.

Which of the following processes occur in animals?

Which of the following pairs is correctly matched regarding the hormone and its associated disorder?