INTRODUCTION TO PHYSIOLOGY AND HOMEOSTATIS PHYSIOLOGY 1.1 Intro to Physiology Physiology: the study of the functions of living things‚ how the human body works Two approaches explain the events that occur in body -purpose of the body process - mechanism in which the process occurs Physiologists view the body as a machine whose mechanisms of action can explained in terms of cause and effect sequences of physical and chemical processes. Physiology is closely related to anatomy: the
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Physiology of stomach:- For understanding approaches for gastro retention‚ it is essential to overview gastric physiology and gastric motility. The stomach is situated in the left upper part of the abdominal cavity immediately under the diaphragm. Human stomach has a resting volume of 25-50ml‚ which can distend upto1500ml following a meal. It is divided into 5 anatomical parts: a) Cardia:- First part of the stomach below the esophagus. It contains cardiac spincter‚which is a thin ring of muscle
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Introduction: In this lab‚ I will study how muscles contract‚ what makes muscles contract‚ different types of muscle contraction‚ and learn about how resistance affects muscle contraction. I will define Key Terms that describe what will occur in the experiments; I will conduct an experiment for each Activity and provide all resulting Data as well as answer Questions from each Activity. I will then provide a short Summary for what I learned in each Activity. Key Terms: Recruitment (or Multiple
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Cardiovascular Disease The term "heart disease" is often used interchangeably with the term "cardiovascular disease." Cardiovascular disease generally refers to conditions that involve narrowed or blocked blood vessels that can lead to a heart attack‚ chest pain (angina) or stroke. Other heart conditions‚ such as those that affect your heart ’s muscle‚ valves or rhythm‚ also are considered forms of heart disease. Many forms of heart disease can be prevented or treated with healthy lifestyle
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common cause of maternal death in Western countries‚ suicide being first1. According to CDC‚ heart disease is the leading cause of death in women who are 25 to 44 yrs old2. Maternal cardiac disease in a pregnant woman can present challenges in cardiovascular and maternal-fetal management thereby leading to significant non-obstetric maternal morbidity and mortality3. Approximately 1% of pregnancies are complicated by cardiac disease and the management of these cases can challenge the entire team providing
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downstream signal transduction Serum response factor (SRF) and yes-associated protein (YAP) are two examples of mechano-sensitive transcription factors‚ which have recently been implicated in epidermal and mesenchymal stem cell differentiation Lab notes: Passive processes: transport driven by concentration ‚ or pressure Active process: cell provides ATP to power transport Diffusion: 1: simple; no membrane proteins ‚ 2 : facilitated(passive): requires membrane bound carrier protein that assits
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Home Group Leader Assignment: Physiology of Physical Activity Physical activity has been a part of societies for centuries. Activity has been incorporated into people’s daily lives in various forms such as sport‚ weightlifting‚ running‚ hiking‚ swimming and walking to name a few. Many perform physical activity for physical‚ emotional and mental well-being while others take part for leisurely fun. The physiology of how physical activity affects our bodies has been studied thoroughly. In the following
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University of Phoenix Material Animations: The Cardiovascular System Hemopoiesis After viewing the animation‚ answer these questions. 1. Hemopoiesis is the process of blood cell formation‚ which occurs primarily in the red bone marrow. 2. Hemopoiesis begins with undifferentiated cells called hemocytoblasts. 3. These stem cells give rise to many different cell types that make up the cellular elements of blood. 4. What types of hormones influence the differentiation
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Aging is a process that all humans must go through‚ and as life expectancy increases it becomes more important to understand the intimate details to normal aging process. Maintaining health is very important to this process‚ the older a person becomes the more medical services is needed. Since aging is a process that begins when you are conceived and continues for as long as we live out life span‚ our body reflects genetic components and environmental experience. So in a genetic way our bodies
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of course we feel what others are feeling‚ at least to some extent. If we didn’t‚ then why would we ever cry at the movies or smile when we heard a love song?”(Byrne). Music has survived since prehistoric times and even though it is unnecessary for human survival‚ it has always been used to tell a story and communicate emotion. This is because music allows people to express what the composer is feeling while adding on to it with the musicians own feelings of how the song should sound. It can activate
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