The control system of the body is.....

All functions of the body are regulated and integrated by

Which hormone's secretion causes an increase in blood pressure and heart rate?

Given below is an incomplete table on hormones,their source glands,and one major effect on the human body. Identify the option representing the correct grouping of hormone,its gland,and effect.

Gland	Secretion	Effect on body
$A$	Estrogen	Maintenance of secondary sexual characters
Alpha cells of Islets of Langerhans	$B$	Raises blood sugar level
Anterior pituitary	$C$	Over secretion leads to gigantism

Provide the differences between the following:
$(1)$ Neural system and Endocrine system
$(2)$ Hormones of adrenal cortex and Hormones of adrenal medulla
$(3)$ Thyroid hormones and Parathyroid hormones

Arrange the following events in the correct sequence for the regulation of blood sugar level:
$(i)$ Increase in blood sugar level
$(ii)$ Increase in circulating glucagon
$(iii)$ Release of glucose from glycogen
$(iv)$ Decrease in blood sugar level