49. Angina pectoris is thoracic pain caused by a fleeting de…
49. Angina pectoris is thoracic pain caused by a fleeting deficiency in blood delivery to the myocardium, with resulting decreased oxygen being delivered to the cells. Because nitroglycerin acts as a vasodilator (similar to nitric oxide), blood flow is increased, promoting the delivery of oxygen to the cells
Read Details9. The oral contraceptive pill, informally called “the pill,…
9. The oral contraceptive pill, informally called “the pill,” contains an estrogen and progesterone, or a synthetic mimic of this hormone. The combination of these two hormones, taken in the pill and circulating in the blood, works because ________.
Read Details