Structure of the heart: The heart is at the centre of the cardiovascular system. It is a hollow muscular pump that drives blood through the arteries‚ which allows it to reach the working muscles and tissues. The heart is split into two halves. The right side of the heart is separated from the left by a solid wall known as the septum. This prevents any blood on the right side coming into contact with the blood on the left side. The right side of the heart sends deoxygenated blood to the lungs in
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Jogging Activity and Cardiovascular Fitness Today‚ people are becoming more aware of the importance of physical activity. There has been a recent increase in the popularity of fitness activities as hobbies. However‚ despite this increasing popularity in health related activities the large majority of the American population maintains a sedentary‚ unhealthy lifestyle that had led to increased obesity and morbidity rates. According to David Chandler‚ “The largest [obesity] increase has occurred in
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Comparison of different types of blood pumps Nowadays‚ there are two main types of blood pumps: kinetic pumps and positive displacement pumps. Kinetic pumps: Centrifugal pump is one of the most familiar kinetic pumps. A centrifugal pump converts the input power to kinetic energy in the liquid by accelerating the liquid by a revolving device - an impeller. The most common type is the volute pump. Fluid enters the pump through the eye of the impeller which rotates at high speed. The fluid is accelerated
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March 26‚ 2013 Lecture -The function of the eye is to convert photons of light into action potentials (nerve impulses). -The inner layer is a nervous tunic (made out of nerve cells)=retina. -Refraction: Bends light. -The purpose of the cornea and the lens is to take an object and focus every little detail of the object on the retina on the back of the lens. Upside down and backwards. -When light goes through medias‚ it bends. -Lens are suspended by ligaments behind the pupil. Suspensory ligaments
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The human heart is a very interesting and complicated part of the body‚ that some struggle to understand. Blood is also a stimulating part of the human body that is really great to learn about‚ as well as blood pressure. Heart disease is a very common disease that many people face‚ so it is important that people are educated about it. There are two sides to the heart and each side receives and pumps different kinds of blood. The left side of the heart is more muscular because it has to pump blood
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In this examination‚ the outside and inner structures of a sheep’s heart was analyzed and recognized by dismemberment. The heart is a muscle that pumps oxygenated blood and supplements all through the body. A sheep’s heart has four chambers like most well evolved creatures. Two of those chambers are accepting chambers called the privilege and left chamber. The other two chambers are pumping chambers called the privilege and left ventricle. The productivity in the cycle of blood relies on upon the
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What are the coronary circulatory routes and how does it compare to the portal circulatory route you ask? They are both routes but different in many ways because of how they circulate the blood throughout the body. The coronary circulatory system deals with how the blood of the heart circulates to help the heart function itself. But the systemic route differs from the other route. In the systemic route blood is moved through the body providing it with oxygen and nutrients while blood with no oxygen
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risk factors for cardiovascular disease (CVD) in African Americans‚ to improve self-efficacy for diet and physical activity‚ and to increase intentions to eat healthier and be physically active. This paper examines the effects of risks associated with being an African American with cardiovascular disease. These changes in behavioral‚ educational and physical activity may reverse the effects of cardiovascular disease. Providing education about the risk factors for cardiovascular disease can offer
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Human Physiology Lab Special Senses Cutaneous Senses and Vision September 24/26‚ 2012 Our bodies are capable of sensing a wide spectrum of stimuli. We are consciously aware of some of the information our bodies perceive‚ but much of the information that is sensed is beyond our consciousness. Receptors responsible for perception of stimuli are found in many places: skin‚ eyes‚ ears‚ mouth‚ blood vessels‚ lungs‚ brain—frankly‚ every cell in the body has sensory receptors. These receptors are
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(Insert your name here) Needs Analysis Sport: lacrosse and volleyball Athlete: center and defense spec. Gender: female Age: 14-18 18-21 Instructions: * You have a series of 10 worksheets to fill out throughout the semester. Each one pertains to a particular lecture‚ and is due the class period after that lecture. The due dates for each are clearly noted on the top of each worksheet. * Type your answers in the boxes provided. The text boxes can be expanded if necessary
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