Diwali, also known as Deepavali, Dipavali, Dewali, Deepawali or the Festival of Lights, marks the beginning of the Hindu New Year. It is celebrated on the 15th day of Kartika (October/November) in the Hindu calendar.Diwali celebrations can last for about five days.Lanterns for the Diwali celebrations. Lanterns for the Diwali celebrations.t is celebrated on the 15th day of Kartika (October/November) in the Hindu calendar. Diwali celebrations can last for about five days. Lanterns for the Diwali celebrations. Lanterns for the Diwali celebrations.
Best example of positive feedback is the release of oxytocin during childbirth. Oxytocin is a reproductive hormone in females. Though it is also secreted in males, its function is yet unclear. Secretion of oxytocin occurs in response to nervous stimulation of the hypothalamus. It stimulates and enhances labor contractions.
Oxytocin is controlled by a positive feedback mechanism where release of the hormone causes an action which stimulates more of its own release. When contraction of the uterus starts, for example, oxytocin is released which stimulates more contractions and more oxytocin to be released.In this way, contractions increase in intensity and frequency. There is also a positive feedback involved in the milk-ejection reflex.ecretion depends on electrical activity of neurons in the hypothalamus â it is released into the blood when these cells are excited. The two main actions of oxytocin in the body are contraction of the womb (uterus) during childbirth and lactation.