After reading this article you will learn about the structure of human heart. This will also help you to draw the structure and diagram of human heart. The Heart lies in the thoracic cavity between the two lungs in the mediastinal space and behind the sternum. It is directed more to the left than to the right side. The anterior [...]
After reading this article you will learn about the definition and characteristics of Electrocardiogram (ECG). Definition of ECG: This is the graphic records of the variations in electrical potential caused by electrical activity of the heart muscle and detected at the body surface, as a method for studying the action of the heart muscle. As the cardiac impulse passes through [...]
The following points highlight the three types of circulations through special regions of heart. The types are: 1. Coronary Circulation 2. Hepatic Portal Circulation 3. Hypophysial Portal Circulation. Type # 1. Coronary Circulation: The flow of oxygenated blood from the ascending aorta to the heart muscle and the return of deoxygenated blood from the heart muscle to the right atrium [...]