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Blood Flow

Essay by   •  November 27, 2010  •  559 Words (3 Pages)  •  1,402 Views

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Today is the day that I get a camera inserted into my vein. I don't know to be happy or scared. I know that I am doing it for a good cause. I just don't want something to go wrong. Well, here goes nothing.

The operation went fine, the camera is in my vein right now! The doctor said to come back in one week so they can take it out. I can't wait to take it out.

They took the camera out today. The video stream is amazing! This tape contained science beyond belief. This is how the red blood cell traveled.

It started in the brachial vein. As it traveled through the brachial vein, it appeared to me that the blood had little oxygen and a lot of carbon dioxide. After it traveled through the brachial vein, it went to the superior vena cava. The superior vena cava is a major vessel in the chest that drains the blood from the upper part of the body into the heart.

Then I saw the camera was pushed into the right atrium. The right atrium receives de-oxygenated blood from the body. The sinoatrial node sends an impulse that causes the cardiac muscle tissue to the right atrium to contract in a coordinated, wave manner. The tricuspid value opens to allow the de-oxygenated blood collected in the right atrium into the right ventricle. Then the right ventricle receives the blood. The pulmonary valve, leading into the pulmonary artery, is closed, allowing the right ventricle to fill with blood. The right ventricle started to contract. The tricuspid value closes and the pulmonary valve opens. The closed tricuspid stops blood from going into the right atrium. The open pulmonary valve allows blood to flow to the pulmonary artery toward the lungs.

The camera is in the pulmonary artery moving to the lungs. In the lungs, the blood is "cleaned" you could say to make oxygen-rich blood to be pumped through the pulmonary vein, to

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