HLTH 354 Lecture Notes - Lecture 5: Bradycardia, Chest Pain, Homocysteine
Document Summary
The medical specialty that studies the anatomy and physiology of the cardiovascular system and uses diagnostic tests, medical and surgical procedures, and drugs to treat cardiovascular diseases. Consists of the heart and blood vessels. A continuous, circular body system that includes the heart and the vascular structures (blood vessels such as arteries, capillaries, and veins) Moves blood throughout the body and transports oxygen, carbon dioxide, nutrients, and wastes in the blood. Heart: a muscular organ that contracts at least once every second to pump blood through the body, has an extensive electrical system that initiates and coordinates its contractions o. Cor- also means heart in latin: has internal chambers that can be seen as elevated mounds and grooves that can be seen as fat and blood vessels, heart chambers. Contains four chambers: two on the top and two on the bottom. Each small upper chamber is an atrium (plural: atria) Each large lower chamber is a ventricle (plural: ventricles/adj: ventricular)
