2012 Pearson Education‚ Inc. An Introduction to the Cardiovascular System • Learning Outcomes • 20-1 Describe the anatomy of the heart‚ including vascular supply and pericardium structure‚ and trace the flow of blood through the heart‚ identifying the major blood vessels‚ chambers‚ and heart valves. • 20-2 Explain the events of an action potential in cardiac muscle‚ indicate the importance of calcium ions to the contractile process‚ describe the conducting system of the heart‚ and identify the
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Cardiovascular Diseases Cardiovascular disease is defined as a disease that affects any area of the cardiovascular system‚ including the heart and blood vessels‚ and covers a range of diseases such as arteriosclerosis‚ atherosclerosis and coronary heart disease. Diet plays a vital part in the prevention and control of these diseases however other manageable factors such as smoking and physical inactivity also contribute to the diseases if not controlled correctly. However corrective action or
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The Cardiovascular System The cardiovascular system consists of a heart and an enclosed system of blood vessels categories into arteries‚ capillaries and veins. The heart is a muscle about the size of the fist; its wall is made up of a muscle known as the Cardiac Muscle‚ and is located between the two lungs and lies left of the middle of the chest (cliff notes). A fibrous covering known as the pericardium which surrounds around the whole heart holds the heart in place but allows it to move as
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Complete information on the mechanism of Respiratory System in Man NIRMALA AGARWAL Respiratory organs are those which are concerned with the passage of the air to and from the lungs. The latter are‚ of course‚ mot important of all. The passage is also called respiratory tract. For the sake of convenience‚ the respiratory tract can be divided into upper and lower parts. The upper part extends from the external nostrils (external openings of nose) to the vocal sac present in the neck. The lower part
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Cardiovascular disease is a general name for a wide variety of diseases‚ disorders and conditions that affect the heart and sometimes the blood vessels as well. Risk factors for developing cardiovascular disease include having hypertension‚ diabetes‚ high cholesterol‚ obesity‚ and a sedentary lifestyle. Other risk factors include being of African-American ancestry‚ male‚ drinking excessive amounts of alcohol‚ having a lot of long-term stress‚ smoking and having a family history of a heart attack
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Cardiovascular Disease Information HCA 240 February 22‚ 2013 Gioia Scoppoa Cardiovascular Disease Information Cardiovascular disease refers to conditions that narrow or block blood vessels. These conditions can lead to a heart attack or stroke. According to Richard P. Lewis M.D. (Can Cardiovascular Disease be prevented)‚ “Cardiovascular disease is the common chronic illness in our society.” Coronary artery disease is a disease that supplies the muscle with blood. The blood flow can become
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Interactions: I can’t ‘snap out’ of my depression 1) I can’t ‘snap out’ of my depression is a non-fictional personal account by Sarah McCaffrey. 2) This story is about a woman who has a depressive disorder and she’s explaining what it feels like to us. She first talks about how you can’t easily just ‘snap out’ of depression and explains how she’s tried to get rid of it with the help of medication and specialists. Next‚ she tries to give us a description on what depression
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the difference between language and dialect. Language is one of the fundamental things for our daily living. The main reason behind development a society is communication and there is no doubt the language is the best way of communication so far. So we can say that the contribution of language for human civilization is enormous. As a language community a community can be own difference of expression‚ attitude‚ tone‚ accent. That is making a language variation in same community. This is called
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Cardiovascular Assessment Steps 1. Wash your hands‚ introduce yourself to the patient and clarify their identity. Explain what you would like to do and obtain consent. A chaperone should be offered for this examination Introduce yourself to the patient 2. For this examination the patient should be on the bed with their trunk at 45degrees‚ they should be exposed from the waist up. 3. Begin by observing the patient from the end of the bed. You should note whether the patient looks comfortable
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The Respiratory System At the end of this topic students will be able to: • Compare the respiratory systems • Describe the mechanic of respiration - Air passage principals - Ventilation - Lung volume and respiration cycle - Respiration rate • Explain gas exchange - Partial pressure - Oxygen separation curve • Discriminate gas transportation - Oxygen and carbon dioxide Respiration : - all processes that accomplish movement of O2 from the environment to the tissues - has 2 components : a)
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