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 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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Plastic surgery is a very necessary form of surgery. It is needed by millions of Americans every year‚ not only to improve life‚ but in some cases‚ to save it. There are two types of plastic surgery: cosmetic and reconstructive. Cosmetic surgery consists of certain procedures used to “improve” a person’s natural features‚ or give a more youthful appearance‚ while reconstructive surgery is used to restore a person’s natural form after an appearance-altering event‚ such as disease‚ infection‚ cancer
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Chapter 8 Homework Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. _b___ 1. figureThe blood from the trunk and legs enter the heart through the large vein known as a.|anterior vena cava|c.|superior vena cava| b.|inferior vena cava|d.|interior vena cava| _c___ 2. The regulation of the body’s vasoconstriction and vasodialation is controlled by the a.|heart|c.|blood vessels| b.|blood pressure|d.|brain| _c___ 3. Lymph nodes
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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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Instructions Assignment 4 A. Part A – Location of the Heart and Heart Valves Exercise 27 Activity 1 Surface Features of the Heart and Location (7 points total) Lab Activity 2 Insert a photo of the following marked on your shirt (use tape and labels or plastic instead of marking on your shirt). 1. The 4 corners of the heart (1 point each corner) and draw the outline of the heart (0.5 point). 2. The position of the heart valves (2 points). 3. Outline the aortic arch. (0.5
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areas such as your brain. Veins must work hard to get blood back to your heart. As a person reclines‚ the heart does not have to pump as hard to reach the same areas‚ decreasing the blood pressure. Also‚ a person is usually more relaxed in a reclining position‚ which slows breathing and heart rate. Less oxygen is needed to support the body. It differs because your heart has to work harder when standing. the blood that reaches your legs has to travel back up through veins in your legs as gravity
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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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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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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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