blood flow

Topics: Heart, Blood, Vein Pages: 4 (536 words) Published: May 16, 2014

Blood Flow Through The Human Body

Amber N Culpepper

Med 251

Clinical Skills

Professor Cornett

April 30, 2014

This paper is submitted in partial fullfillment of the Associate of Science degree in the Medical Assisting program at Southern Technical College The heart is made up of four chambers the Right Atrium, Left Atrium, Right Ventricle &

Left Ventricle. Blood flows a particular path through the human body. It moves through

the Pulmonary Circulation which is circulation to the lungs and continues through

Systemic Circulation which is circulation to the rest of the body.

This Two part system’s purpose is to bring oxygen bearing blood to all the tissues of the

Body.

During Pulmonary Circulation blood circulates to and from the lungs to release

carbon dioxide and pick up new oxygen. The veins bring waste rich blood back to the

heart entering the Right Atrium through out two large veins Inferior and Superior Vena

Cava. The Right Atrium fills with waste rich blood and contracts pushing blood out

through a one way valve into the right ventricle. These one way valves are to prevent

Any backflow of blood. The ventricle fills and contracts pushing blood into the

Pulmonary Artery leading to the lungs.

Systemic Circulation is a major part of the overall circulatory system the blood vessels

(arteries, veins, & capillaries) are responsible for the delivery of oxygen and nutrients to

the tissue. Oxygen rich blood enters the blood vessels through the hearts main artery

called the Aorta, forceful contraction of the left ventricle forces blood into the Aorta

which branches off into smaller arteries that run throughout the body. The inside layer of

an artery is smooth allowing blood to flow quickly, the outside is very strong so blood

can flow forcefully. Oxygen rich blood enters through capillaries...
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