The suprachiasmatic nuclei, the central pacemaker in the circadian system (see Section 4.2), is entrained by light via the retino–hypothalamic pathway and generates a circadian rhythm. This is the signal that passes via the paraventricular nucleus (although with some controversy...
Where are the ovaries located in relation to the uterus? What body system is the heart in? What is the main muscle involved in pulmonary ventilation? Where are pacemaker cells located? Where are gap junctions found between atria? Which side of the heart is the tricuspid valve on? Where is...
December of 2012 my husband had a quadruple bypass. He had his first heart attack at 37. 2 stents were placed in his heart. He had another heart attack within a couple of years. He was diagnosed with Diabetes during the first. I never left the hospital and because I couldn’t drive, ...