The cardiovascular system is made up of the heart and blood vessels‚ which are divided into arteries‚ veins and capillaries. The blood delivers nutrients and oxygen to the cells in the body. The arteries carry blood away from the heart and the veins carry it back to the heart. Capillaries are found in the muscles and the lungs‚ they have valves to stop the blood flowing backwards and this is also where gaseous exchange takes place. The heart works as a pump that pushes blood to the organs‚ tissues
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the arteries. Systole is the contraction of the ventricles of the heart which pushes the blood out of the heart. 6. Distinguish between an artery and a vein. Arteries carry blood away from the heart to the other parts of the body. Arteries also have thicker walls as the blood pressure is much higher having a closer proximity to the heart. Veins carry the blood back from the other areas of the body to the heart. 7. What is a sphygmomanometer? An instrument for measuring blood pressure‚ typically
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the main transport system. This particular system is powered by the heart and relies on the blood in order to transport substances such as oxygen and carbon dioxide around the body through a network of blood vessels including the veins‚ arteries and capillaries‚ the veins and arteries serve the main function of transporting blood throughout the body and arteries enabling the substances to through to the cells due to their walls being
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builds the pressure in the body as well as increases the amount of force the heart needs to perform. As the heart performs this act several times‚ it adapts to it which increases the left ventricle’s wall thickness. Furthermore‚ it creates brand new veins‚ blood vessels and results in better circulation
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Then they will have machine that will pop up a graph to show theses electrical changes. Another major component of the heart is the pulmonary vein which arises from each lung and brings oxygenated blood from the lungs to the left atrium and then we have the coronary arteries that arise from the aorta and supply blood to the heart muscle which is very important so any blockage could be very fatal
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old‚ noticeable symptoms begin to appear. Patients with Progeria will show signs of hair loss‚ the presence of small blue veins on their forehead and/ or nose‚ and big/ bulging eyes. In addition to these symptoms‚ leathery skin will appear on the stomach and chest area. From 2 years and on‚ several symptoms will be revealed in length and weight‚ growth‚ skin‚ hair‚ fat‚ veins‚ joints‚ jaw‚ bone tissue‚ hands/feet‚ collarbones‚ face‚ skull‚ mobility‚ heart‚ and blood
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and helps to protect the baby from noise‚ drafts‚ infection‚ and excess handling • INTRAVENOUS LINE (IV) • PERIPHERALLY INSERTED CENTRAL CATHETER (PICC) OR A PERCUTANEOUS CENTRAL VENOUS CATHETER (PCVC) may be inserted in a central (large) vein. This catheter is used to give the fluids‚ nutrition‚ and medication. • PHOTOTHERAPY LIGHTS‚ OR "BILI LIGHTS‚" are used when neonates have jaundice • PULSE OXIMETER measures the level of oxygen in the baby’s blood. It’s attached to the skin
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a slow continuous intravenous therapy prolong the life of peripheral intravenous cannulae in the clinical setting? Introduction Background There is lack of current research evidence to suggest that continuous infusion also known as to ‘keep vein open’ to a peripheral intravenous cannula will prolong the life expectancy of a cannula. There is much discussion and debate among health care staff over the ability of a continuous infusion to prolong the life of a cannula. Many patients are often
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Topic: Donate Blood. Specific Purpose: To persuade the audience to donate blood regularly. Visual Aid: PowerPoint / Blood Donation Advertisement. INTRODUCTION I. Attention Step: A. Attention Getter: Are you at least 17 year old? Do you weight more than 50kg? Do you fairly healthy? If your answer is yes‚ you should donate blood every two months. According to the report in Arab Times newspaper Kuwait is in need of 250 blood donors every day‚ and the demand is likely grow to 400 in the next five
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| First aid - what everybody should know | | | Reviewed by Dr Stuart Crisp‚ specialist registrar | Why learn first aid? | WARNING!This advice is a general guideline for use in an emergency. It is not intended to replace professional classes in first aid and resuscitation. | | | First aid is an important skill. By performing simple procedures and following certain guidelines‚ it may be possible to save lives by giving basic treatment until professional medical help arrives.
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