Blood pressure regulation is the process by which the body maintains a consistent level of pressure within the circulatory system to ensure adequate blood flow to organs and tissues. This regulation is primarily controlled by the autonomic nervous system, which includes the sympathetic and parasympathetic nervous systems, as well as hormonal mechanisms such as the renin-angiotensin-aldosterone system. Factors such as heart rate, blood volume, and blood vessel constriction and dilation all play a role in regulating blood pressure. When blood pressure drops, the body may increase heart rate, constrict blood vessels, or release hormones to raise blood pressure back to a normal level. Conversely, when blood pressure is too high, the body may relax blood vessels, slow the heart rate, or promote fluid loss to lower blood pressure. Understanding blood pressure regulation is important for diagnosing and managing conditions such as hypertension (high blood pressure) and hypotension (low blood pressure), which can have serious health implications if left untreated. Research in this area aims to identify the underlying mechanisms of blood pressure regulation and develop effective treatments to maintain healthy blood pressure levels.