Pacemaker, by Chris Carr |Line 75:||Line 75:| Revision as of
16:04, 20 February 2013 The heart is one of the most vital
organs in the body responsible for the circulation of blood
throughout the whole body. The heart is made up of four chambers
and separated into two sides, left and right. These chambers are
the left atrium, left ventricle, right atrium and right
ventricle. The separations between these chambers are made up of
four different valves. These four valves consist of the
tricuspid, pulmonary, mitral and aortic valves . The flow of
blood goes in the order from right to left alternating between
atrium and ventricle. The flow consists of two main steps;
bringing the deoxygenated blood to the lungs and bringing the
oxygenated blood to the rest of the body. Starting with the
collection of the deoxygenated blood in the right atrium, it
then passes by the tricuspid valve into the right ventricle.
From here it can then pass through the pulmonary valve to the
pulmonary artery into the lungs where CO2 can be