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The Burnet Bulletin
Burnet, Texas
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August 10, 2005     The Burnet Bulletin
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August 10, 2005
 

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WEDNESDAY, AUGUST 10, 2005 Bua~-r Btu. r~ PAGE HA The Circulatory system is composed of the heart and blood vessels. The vessels are made up of the arteries, veins, and capillaries. The purpose of the circulatory system is to provide food and oxygen to the tissues and to remove waste from them. The circulatory system also helps the body to fight infections. The human heart is a muscular organ about the size of a fist. It is the pump for the blood. Circulation of blood consists of three main divisions. First, pulmonary circulation carries the blood from the heart to the lungs where carbon dioxide is removed and oxygen is replaced in the red blood cells. Second, the arteries carry the oxygen.rich blood from the heart to various parts of the body. The aorta is the largest artery. Capillaries then take the blood from the arteries to the various organs to feed them. This Is the second division of circulation. In the third division of circulation, veins bring the used blood filled with carbon dioxide back to the heart and the cycle repeats. During this process the spleen removes aM blood cells from the circulatory system. Blood pressure is the speed and pressure in which blood flows through the blood vessels. If It Is high, heart disease will result. The pulse detemdnes how hard the heart is working to pump the blood throughout the body. The higher the pulse the harder the heart has to work to pump the blood, the lower the pulse the less work on the heart, . :, :I, : : Cilrle the Wards that yau # : Across, Down, Backn d , AORTA VENA CAVA PULMONARY ARTERY PULMONARY VEINS CORONARY VEINS RIGHT VENTRICLE L FT VENTRI ? ,E Perform the tim activil)' in the chart belmv for one minute. Then take your pul rate for tea seconds, and record the total number el" heartbeats in the chart, Multipl that total by rt. six to get your pul rate for one minute. R ord that total m the cha Repeat the same procedure for each actifit listed in the chart. aciivity pulse rate for x 6 I pulse rate for 10 seconds I one minute t /" sittingat ] i desk I [ ) marching I : l I i.plac I 1 I 1 ! ! , jogging l i I in place t I I use the information you gathered to ans=-ier the followi. I. Why do you th,nk your pulse rate changes during exercise? 2. During which activity was ;0ur pulse rate the'hi l',e, ? 3. what;isthe difference between your resting- pulse and the hsghest pulse rate recorded on lhe chart? heats per minute --------- tehar ap m odb o ratoa elnvs . RedMa,P power equipment Land Pride ATVs, mowers, mounted work tools 504 N Key Ave @ Ave D Lampasas, Texas 76550 512-556-6002 r < 801 HW'/281 North DAN M. BURDE'rr Marble Falls, TX 78654 830-693-2693 Olfice GENERAL MANAGER 830-693-5167 Fax WWW.BURDETTHoMES.COM 512-755-3899 Cell LAKESHORE Barnes, Agent Insurance Company .A * H~ Psychiatry Children Adults Geriatric On-Site Nursing Home Care We accept most insurance, including Medicare and Medicaid 500 Ave. G Se Habla Espariol 830-798-9593 Marble Falls