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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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ilove0 ilove0
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11 years ago
Blood flow (liters per min.) through the pulmonary circuit equals blood flow through the systemic circuit, but pulmonary resistance to flow is 5 times less than the systemic resistance to flow. Using the equation (Mean Arterial Pressure (MAP) = (pulse pressure/3) + (diastolic pressure)), show that mean pulmonary pressure is 5 times less than mean systemic pressure.
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#1
11 years ago
Your working with a closed system here unless you have a cut or a bleed.  The Rt. side of your heart pumps the blood to the lungs.  The Left side receives that blood and moves it throughout the body.  The left side of your heart is bigger, more muscular, deals with greater pressures since more resistance is met to circulate all the arteries and veins.  Unless your trying to compensate for fluid balance adjustments or ventilator settings resort to a formula.
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