The event where the presence of a full bladder triggers the bladder to contract, as a little urine is released, this causes more contractions, which will completely empty the bladder, is an example of Positive feedback.
In the field of biology, positive feedback can be described as a condition in which a product that is produced through a series of events causes more of the reaction to take place. A positive feedback can be described as a kind of feedback that causes the occurrence of a positive action or action that is helpful for the body.
In the case above, the release of little urine acts as a trigger to continue the events to form more urine. Hence, this action is an example of positive feedback.
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