HLTC22H3 Chapter Notes - Chapter 6: Glycerol, Common Bile Duct, Benign Prostatic Hyperplasia

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27 Oct 2012
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10/25/2012 5:29:00 pm: the body"s main transportation system, deliver oxygen and nutrients to the tissues, carry waste product to the organs responsible for elimination. Composed of the heart, blood vessels and blood: artery carry blood away and veins carry blood to the heart. Age related changes: enlargement of the heart. Due to increase size in muscle cells & myositis: slowing of electrical activity, slowed pulse: bradycardia, fat tissue surrounds the senatorial node, increased blood pressure, decreased ability to cool down or heat up. Systolic pressure is peak pressure in the arteries, which occurs near the beginning of the cardiac cycle when the ventricles are contracting. Diastolic pressure is minimum pressure in the arteries, which occurs near the end of the cardiac cycle when the ventricles are filled with blood. Systolic hypertension increases through life, whereas an elevation in diastolic pressure tends to level off in later years.

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