Circulatory+System

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the CIRCULATORY SYSTEM or sometimes termed as the cardiovascular system. they are smaller parts of this system the things that the blood goes though

arteries- carry blood away from heart veins - carry blood back to the heart they also have occasional vavls to makc esure the blood all goes in onne direction cappileries- tiiny vessles that carry blood close to the bodys cells in its tissues and organs

Regulation of Blood Pressure by Hormones

 * Among the drugs prescribed to treat people with high blood pressure (hypertension) are
 * **ACE inhibitors** like quinapril ("Accupril"®), ramipril ("Altace"®), lisinopril ("Prinivil"®);
 * **Angiotensin-receptor blockers** — drugs like losartan and olmesartan (Benicar®) that interfere with the binding of angiotensin II to its receptors (e.g., on the adrenal cortex).
 * [|Ca 2+ channel blockers] like felodipine (Plendil®) that inhibit the influx of the Ca 2+ ions that cause the smooth muscle walls of the arterioles to contract. ||

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