The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic). The ...

The human heart and the miles of blood vessels that snake through the body are a wonder to behold. Made up of three independent components, the cardiovascular system functions best when these ...

Your circulatory or cardiovascular system serves a vital function by delivering oxygen and nutrients to all the organs and tissues of your body. Learn more about how the circulatory system works ...

Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

The cardiovascular system is the body’s main transport system. Its most important role is to deliver oxygenated blood, nutrients and chemical signals, such as hormones, to the organs and tissues. It ...

Cardiovascular system - Edexcel Structure of the cardiovascular system The cardiovascular system is made up of three main parts - the heart, the blood vessels and the blood that flows through them.

The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence.

The noise of planes and railroads can cause very serious damage to the cardiovascular system, which can cause vascular problems in just a few days.

Health Heart & Circulation Diagram of the Human Muscular System (Infographic) Infographics By Ross Toro published 20 August 2013 ...