Cardiovascular System: an Essential Part of Our Body

Topics: Heart, Blood, Hypertension Pages: 4 (1129 words) Published: July 13, 2013
The cardiovascular system is a vital part of our body and it is crucial for us to lead a healthy lifestyle to maintain the structures of our body. Structures of the cardiovascular system include the heart, blood vessels and blood.

Structures of the Cardiovascular System


The heart is the most important organ in our body as it provides every part with blood. The heart pumps blood by producing electrical impulses which cause the ventricles to contract and relax and pump blood to the arteries, and this process is called a cardiac conduction. It is the only organ that works without rest. Without the heart, the human body will simply perish so it is necessary for us to lead a healthy lifestyle to keep our organs healthy and functioning.


Blood is made up of a protein called hemoglobin, which gives it a deep red colour. The main components of the blood are red blood cells, white blood cells and plasma.

Blood Vessels

The transportation used to send blood back and forth throughout the body from the heart to various organs is through blood vessels. There are billions of blood vessels that are tangled with each other in an endless network. Blood vessels carry the de-oxygenated blood from the heart to the lungs and the purified blood back to the heart to be transported to various organs of the body. Though blood vessels are not exactly organs, they play a vital role in the healthy functioning of the body.

Diseases that relate to the Cardiovascular System

The Cardiovascular System has the responsibility of providing blood to all parts of the body, using the main organ, the heart. The heart has a very vital role of keeping the body filled with blood with the help of the billion intertwined blood vessels. This shows that if there are problems with the heart, than there are many consequences to bear. Although, many people in this world have heart related problems and diseases and I will explain how some are caused and what effect they can...
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