Answer: Kidneys
Explanation:
Arterial pressure is the amount of pressure required for arteries of a person to function his/her cardiac system. This pressure vibrates along with the blood pressure as blood applies the pressure on arteries. Hypertension is the situation in which flow of blood is relatively high in oppose of the arteries.
Therefore, according the question, if a person is having hypertension history and want to process his arterial pressure normally then kidney and autonomic nervous system should be approached as it helps in processing of arterial pressure with normal rate.