What is the primary role of angiotensin II in the human body?
Answer
It causes blood vessels to tighten and narrow
Angiotensin II is a chemical that naturally acts as a vasoconstrictor, meaning it works to tighten and narrow blood vessels. This process is a normal part of the body's cardiovascular regulation but can be detrimental in patients with hypertension. By blocking this chemical's action, medications like Losartan allow the vessels to relax and widen, which helps to maintain healthy blood pressure levels and ensures proper cardiovascular function.
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