
To discuss: The hypothesis proposed by Furchgott to explain the relationship of acetylcholine (Ach) and vasodilation.
Introduction: Aorta is the largest artery that collects blood from the left ventricle and passes it on to the systemic arteries to transport the blood from the heart to the other parts of the body. The walls of the aorta are thick to handle the pressure of the blood when it is pumped out of the ventricle. The three different layers of the aorta are the intima, the media and, the adventitia.
To explain: The ways by which Furchgott tested his proposed hypothesis.
Introduction: The contraction and relaxation is an important property of the blood vessels as this property regulates the blood flow and prevents vessel damage due to high pressure. The contraction and relaxation is regulated by hormones released by certain cells and these hormones are called vasodilators.

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