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What is the cardiac cycle? ... Diastole - Ventricles are relaxed. ... Systole - Ventricles contract.
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biology.about.com/library/organs/heart/blcardiacanim.ht...
biology.about.com/library/organs/heart/blcardiacanim.htm
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Blood pressure - Wikipedia, the free encyclopedia
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Blood pressure (BP) is the pressure (force per unit area) exerted by circulating blood on the walls of blood vessels, and constitutes one of the principal vital signs. The pressure of the circulating...
en.wikipedia.org/wiki/Blood_pressure
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They are called systole and diastole. For your GCSE biology exam you should be able to label a diagram of the heart, put arrows on the diagram to show how blood flows through the heart, and explain how the muscles and valves ... Here are the two diagrams side by side to help you see the difference between the two stages:
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www.purchon.com/biology/heart.htm
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The four heart valves are: 1. the tricuspid valve, located between the right atrium and right ventricle; 2. the pulmonary or pulmonic valve, between the right ventricle and the pulmonary artery; 3. the mitral valve, between the left atrium and ... The heartbeat cycle consists of two components: diastole and systole...
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your-doctor.com/healthinfocenter/medical-conditions/car...
your-doctor.com/healthinfocenter/medical-conditions/cardiovascular/heartpump-tutorial.html
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Pulse pressure is the difference between the systolic and the diastolic readings. It indicates stiffness and inflammation in the blood-vessel walls. The greater the difference between systolic and diastolic numbers, the stiffer and more injured the vessels are thought to be.
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adam.about.com/reports/High-blood-pressure.htm
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nervous and endocrine system ... protein and lipid hormone ... diastole and systole...
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www.home.earthlink.net/~biol232/assignments/review5.htm
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The top number is the maximum pressure your heart exerts while beating (systolic pressure), and the bottom number is the amount of pressure in your arteries between beats (diastolic pressure). The numeric difference between your systolic and diastolic blood pressure is called your pulse pressure.
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www.mayoclinic.com/health/pulse-pressure/AN00968
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B. Located in the mediastinum between the 2nd rib and the 5th intercostal space. ... STAGE II - Atrial Systole; Ventricular Diastole ... A. Phase 1 -The Isovolumetric phase (Atrial Diastole; Ventricular Systole)
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faculty.ucc.edu/biology-potter/heart.htm
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Two numbers are used to represent blood pressure. Systolic pressure (the first and larger numberof the equation) is the force that the bloods flows from the heart into the arteries. Diastolic pressure ( the second and smaller numeber of the...
http://wiki.answers.com/Q/What_is_the_difference_betwee...
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