PHGY 350 Study Guide - Midterm Guide: Orthopnea, Arity, Pulmonary Vein

• School: Queen's University
• Department: Physiology
• Course: PHGY 350
• Professor: Allan R Baer

Document Summary

Transport of: o2, co2, nutrient & waste, hormones & metabolites. Heart wall layers: pericardium: outer most layer. Cardiac cells: mononucleated, fibrous pericardium, parietal layer of serous pericardium, visceral layer of serous pericardium (epicardium) Blood vessels: arteries: carry blood from heart to tissues, veins: carry blood back to the heart, capillaries: networks btwn arteries and veins; site of exchange. Superior & inferior venae cavae r atrium tricuspid valve r ventricle pulmonary valve pulmonary trunk r&l pulmonary arteries r & l lungs. Arterial circulation (oxygenated blood returning from lungs): r&l pulmonary veins l atrium mitral valve l ventricle aortic valve aorta arteries of systemic circulation capillaries different body tissues. Action potential in cardiac muscle (contractile cardiac cells) Ecg/ekg: recording of electrical events in the heart obtained by electrodes at specific body locations (can reflect cardiac abnormalities: p wave: atrial depolarization = contraction, pr segment: av nodal delay, qrs complex: ventricular depolarization = ventricular contraction.