The circulatory system in a person's body is designed to circulate and oxygenate blood, deliver nutrients and remove waste products. The system is divided into three smaller components, including a person's pulmonary circulation and systemic...
The heart is a pump with four chambers; the top chambers, the left and right atria, are the entry point into the heart for blood. After blood moves down into the left and right ventricles, it's pumped out and away from the heart. Blood leaves the...
Life, clearly, is in the blood. As a transport mechanism for waste products, life-sustaining oxygen and nutrients, normal blood flow is essential to your health. That's why the different parts of your heart continuously beat in unison, receiving...
The heart is one of our strongest and most important muscles. It is the reason our other muscles have nutrients. Without the pumping action of the heart, we could not function. Knowledge of basic anatomy and circulation will help with...
Water retention is an uncomfortable symptom that can stem from a minor problem or a more serious disease. Mild water retention can cause you to feel heavy and sluggish, while a severe case of fluid retention, sometimes called edema, can affect...
Four heart valves direct blood flow through the four chambers of the heart. On the right side of the heart, the tricuspid valve keeps blood flowing in the right direction between the atrium, the upper chamber, and ventricle, the lower chamber. The...
Your heart has four chambers: two upper chambers called the right and left atrium, and two bottom chambers called the right and left ventricles. Between these chambers are valves that help your blood flow in the right direction. Your tricuspid...
Congenital heart diseases occur due to abnormal heart development before a child is born. According to Medline Plus, a website of the National Institutes of Health, congenital heart disease is the most common type of birth defect and is...
The cardiovascular system, also known as the circulatory system, transports nutrients, oxygen and water to all the cells in the body. The cardiovascular system consists of the heart, the blood vessels and the blood. The heart works as the motor,...
The heart is part of the larger circulatory system. It is a large muscle that pumps blood to the lungs and the body using different blood vessels. It is important to know some basic anatomy to fully understand how the system works.
Comprised of muscle, the organ we call the heart beats approximately 100,000 times a day and pumps over 1.5 million gallons of blood through the circulatory system every year. The heart has two atria and two ventricles---chambers that house the...
The heart is one of the most important organs in your body. It lies in the center of your thoracic cavity in a sac called the pericardium. Within this sac it contracts freely to pump blood to your lungs for oxygenation. It pumps the oxygenated...