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Circulatory System
media type="youtube" key="D3ZDJgFDdk0" height="315" width="420"this video shows how doesthe heart works and it is very useful. It partially shows how blood is dispersed through your body and how the blood comes back to your lungs.

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This is a really good page it shows how the circulatory system Works and it has sub divitions that clearly explain how does the the arteries and the veins work. This is a good learning page.

This image comes from the page human digital body and it basicly shows the heart and the mayor arteries and veins that come to the heart.

http://www.google.com.co/imgres?um=1&hl=es&sa=N&biw=1152&bih=859&tbm=isch&tbnid=JSguLYwJCwaNCM:&imgrefurl=http://revisionworld.co.uk/a2-level-level-revision/biology/physiology-transport/human-circulatory-system&docid=mVdfUVxrWdLCvM&imgurl=http://revisionworld.co.uk/files/circulatorysystem%252520copy.jpg&w=550&h=843&ei=N_avT8xsz-qBB4vAqY8P&zoom=1&iact=hc&vpx=229&vpy=424&dur=342&hovh=278&hovw=181&tx=117&ty=168&sig=113112640829221124145&page=1&tbnh=162&tbnw=95&start=0&ndsp=26&ved=1t:429,r:13,s:0,i:96//

//http://www.google.com.co/imgres?um=1&hl=es&sa=N&biw=1152&bih=859&tbm=isch&tbnid=1AjzJdtKc12OOM:&imgrefurl=http://daman92.hubpages.com/hub/Circulatory-System&docid=p97jHTTb4daQzM&imgurl=http://s2.hubimg.com/u/3777905_f520.jpg&w=520&h=676&ei=N_avT8xsz-qBB4vAqY8P&zoom=1&iact=rc&dur=732&sig=113112640829221124145&page=2&tbnh=160&tbnw=123&start=26&ndsp=30&ved=1t:429,r:1,s:26,i:128&tx=93&ty=77

This are great images of the circulatory system.

Heart diseases
Atherosclerosis This diseases is when the coronary arteries that bring oxygen to the heart are stopped by the accumulation of fat material such as cholesterol.When the flow fo the blood is stopped pain symptoms come as the muscles of the heart stops working because of a lack of oxygen. This fat deposits are calles plague. Plagues physically clog the artery and then and then a sever pain starts coming that is known as angina. Angina can be caused by abnormal function of the artery or by the Atherosclerosis disease. This diseases normally happens to over weight people, diabetics or people who dont now how to manage their anger.

**Deep Vein thrombosis**
 Deep vein thrombosis is a condition in which a blood mass forms in one of the deep veins, usually in the thigh or calf. The mass is a stomping of blood within the vessel. Many people with the condition have no symptoms, but they may have leg pain, swelling or skin bruising in the affected area. The main danger of a deep vein thrombosis (DVT) is that a piece of the mass can breakdown loose and travel to the lungs, according to the National Heart lung and Blood Institute. When this happens, it is called a pulmonary embolism. People may then experience shortness of breath and pain with deep breathing. Factors contributing to the formation of a DVT are being bed ridden, prolonged sitting, trauma to the area, pregnancy and obesity. Drug treatment is often used to break up clots. i got this information from the link below check it out. Read more: [|http://www.livestrong.com/article/111570-diseases-disorders-circulatory-system/#ixzz1ulvUOQ00] home [] [|http://kidshealth.org/teen/your]b[|ody/body_basics/heart.html]

The Circulatory System
The circulatory System is composed of the heart, veins, arteries and arterioles or capillaries, this muscle help control the flow of blood around the body. This process is called circulation. The heart is like a pump, the blue blood color is caused by the lack of oxygen in it, that blood comes into the heart from the right ventricle and it’s pumped to the lungs which we then exhale, veins are in charge of that. As blood starts to circulate it leaves the heart from the left ventricle, this blood full of oxygen enters the aorta to deliver oxygen throughout the body. The aorta is the biggest artery, and blood is send to other parts of the body by arteries, veins are in charge of bringing blood to the heart. Then the lungs fill the blood with oxygen and again the blood is pumped to the body through arteries. Arteries are the size of your thumb but when they get to certain places that are smaller they divide into arterioles or capillaries. Then the blood comes back to the heart with the unnecessary carbon dioxide through veins, and the process is repeated. Experts call the sound of the heart the thum - pum you actually hear one louder than the others because of the hearts strength will pumping blood.

Inter Connection
The Respiratory System and the circulatory system are connected and in a need for each other. The trachea divides into bronchi which then divide into tot bronchioles that have alveoli on the tips, well capillaries or arterioles cover the alveoli and when the oxygen comes into the alveoli it gets into the blood, goes back to the heart and then it is pumped all over your body again. If there wasn't for this we would die because of alack of oxygen.

media type="youtube" key="D3ZDJgFDdk0" height="315" width="320"watch out this video, it will show you many information that you can see about the cardiovascular system.
I got this image from biodigital human.

Respiratory System
media type="youtube" key="hc1YtXc_84A" height="187" width="336"This is a really good video and it shows many details of were the air goes in our body when we respirate. It also shows the influence between the respiratory system and the circulatory system.Also this image it explains where the air goes to very clearly, and from where it comes. This is a screen shot from the human digital body.

http://www.fi.edu/learn/heart/systems/respiration.html This is a very good page it clearly describes the respiratory system and the functions that happen within it.

Respiratory diseases Asthma is a diseases that directly affects your air ways because it makes them swollen or very sensitive to many things specially to things that you can develop easy allergies to. Asthma attacks normally happen during the night or morning also when the air ways re clogged and you do exercise, the heart doesn't have enough oxygen and you can dye. many deaths from asthma are due to complete clog of the air ways and vital organs such as the heart dont get enough air and stop working. Asthma can be treated but its difficult to live a normal life.

**Lung Cancer**
Cancer is a class of diseases characterized by out-of-control cell growth, and lung cancer occurs when this uncontrolled cell growth begins in one or both lungs. Rather than developing into healthy, normal lung tissue, these unusual cells continue dividing and form lumps or masses of tissue called tumors. Tumors interfere with the main function of the lung, which is to provide the bloodstream with oxygen to be carried to the entire body. If a tumor stays in one spot and demonstrates limited growth, it is generally considered to be benign. The cells spread out very fast in a process called metastasis. The main cancer cells for the lung are called //small cell lung cancer// (SCLC). Lung cancer can be seen at chest radio type and computed tomography. Read more: []

The respiratory system is the organs in your body that make you breathe. Respiration=Breathing. The point of breathing is to bring in oxygen into your body and to take away CO2 of your body. This exchange of gases is the respiratory system's means of getting oxygen to the blood. The main organs in the respiratory system are the lungs, mouth, nose, trachea, and diaphragm. The oxygen then passes through the larynx (where speech sounds are produced) and then the trachea which is a tube that enters the chest cavity. When the trachea enters the chest cavity it separates into two branches called the bronchi, then the two bronchi (just one is called bronchus) separate again forming the bronchial tubes. Then the bronchial tubes go straight into the lungs where they split into many little tubes called alveoli. The gulped oxygen passes into the alveoli and then disperses through the capillaries into the arterial blood. Meanwhile the waste blood from the veins releases the carbon dioxide into the alveoli. The carbon dioxide follows the same trail out of the lungs when you breathe out. The diaphragm’s job is to help pump the CO2 out of the lungs and pull the oxygen into the lungs. The diaphragm is a sheet of muscles that lies across the bottom of the torso cavity. The diaphragm contracts and relaxes, breathing takes place. When the diaphragm bonds, oxygen is pulled into the lungs. When the diaphragm relaxes the CO2 is pushed out of the lungs. In the lungs the oxygen goes into your body and CO2 gets out of your body. The red blood cells are responsible for picking up the oxygen in the lungs and carrying the oxygen to all the body cells that need it. The red blood cells drop off the oxygen to the body cells, then pick up the carbon dioxide which is a waste gas product produced by our cells. The red blood cells transport the carbon dioxide back to the lungs and we breathe it out when we exhale. The trachea is called the windpipe; the trachea filters the air we need. The bronchi are two tubes that come off from the trachea and deliver the air directly into the lungs.
 * Respiratory system**

====media type="youtube" key="bwXvqSqAgKc" height="325" width="360"Watch out this video ====

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I got this image from biodigital human