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.
Positive feedback mechanisms. A positive feedback mechanism is the exact opposite of a negative feedback mechanism. With negative feedback, the output reduces the original effect of the stimulus. In a positive feedback system, the output enhances the original stimulus.A good example of a positive feedback system is child birth.lmost all homeostatic control mechanisms are negative feedback mechanisms. These mechanisms change the variable back to its original state or âideal valueâ. A good example of a negative feedback mechanism is a home thermostat (heating system).