The correct answer for the question is the Renal corpuscle.
Renal corpuscle, also called the malphigian body, filtration unit of vertebrate nephrons functional units of the kidney. It consists of a knot of capillaries surrounded by a double walled capsule that opens into a tubule. Hypertension is the high blood pressure which may be caused by stress, but can happen on its own, or can result from underlying condition such as kidney disease.