ESPECIALLY THICK IN ELASTIC ARTERIES‚ CONTAINS SMOOTH MUSCLE AND ELASTIN 4 CHARACTERISTICS OF TUNICA EXTERNA MOST SUPERFICIAL TUNIC‚ HAS A SMOOTH SURFACE TO DECREASE RESISTANCE TO BLOOD FLOW 5 WHY ARE VALVES PRESENT IN VEINS BUT NOT IN ARTERIES? Veins need valves to create pressure to pump the blood to the heart. Blood flows away from the heart and‚ therefore‚ the pressure is not required. Helps against gravity. 6 NAME TWO EVENTS OCCURING WITHIN THE BODY THAT AID IN VENOUS RETURN. 1. Respiratory
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HOW TO DRAW BLOOD SPECIMEN How to draw a blood specimen from a patient has a few steps that have to be followed or the specimen will be contaminated. The steps to draw blood are as follows; first‚ you need to assembly all your equipment – lab request‚ vaccutainer (the needle & tube holder)‚ needle‚ tourniquet‚ & tubes; then‚ connect the vaccutainer and needle together. Using universal precautions and put gloves on and DO NOT rip off one of the fingers so you can feel better this will only put the
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Rob the Red Blood Cell Rob is an ordinary bllod cell and does the same thing every day. This is not a boring life though as he get the thrills of the lumps and bumps of the circulatory system. Rob enters the Vena Cava and enters the right Atrium where he is then pushed through the Tricuspid Valve and into the right Ventricle. While in her he currently has no oxygen in his biconcave dome so he needs to go and get some. He goes through the Pulmonary Valve and up and out of the Pulmonary
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human’s. Individual oral quiz at end of lab. March 10/13 NO LAB SPRING BREAK March 17/20 Lab 11 Circulatory Physiology and Anatomy Study anatomy of heart and blood circulation Examination of human blood smears with an emphasis on study of leukocytes. Learning AB0-Rh blood typing techniques using synthetic blood. Quiz given next week. March 24/27 Lab 13 Digestive Processes and Nutrition (Food Analysis) Chemical experiment to test the action of amylase‚ a digestive enzyme
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Assignment: Blood Disorders There are many blood disorders and some we cause ourselves‚ some are genetic and are caused even before we are born. A person can be affected with blood disorder at any time in life‚ lifestyle‚ family history and some symptoms are always in which blood disorders are identified. Then we have our environmental issues also can cause blood disorders‚ it is very important to know what we are dealing with and how to prevent measures that will help us avoid any of the self
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Taking Blood Pressure How does someone know if they are healthy or not? Do they check their temperature‚ consistently check their weight‚ or do they calculate their body mass index? These are a few ways to keep track of one’s health. Another important way someone can ensure a healthy lifestyle is to check their blood pressure. The process of checking someone’s blood pressure can be confusing‚ but it can determine whether or not they are at risk for health problems and if they need to keep track
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This experiment involves measuring and identifying the change in blood pressure. In this experiment‚ measurements of systolic arterial pressure‚ diastole arteriole pressure‚ and pulse rate were recorded and observed. The effects of changes in the body were observed and measured during body positioning‚ exercise‚ and cognitive stress. The purpose of this lab experiment was to test multiple variables that can have an effect on blood pressure and pulse. As stated‚ the following variables that were tested
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Hypertension‚ also known as high blood pressure‚ is a chronic condition in which blood pressure is elevated. “Blood pressure is the force of blood pushing against the walls of arteries as it flows through them. Arteries are the blood vessels that carry oxygenated blood from the heart to the body ’s tissues. As blood flows through arteries it pushes against the inside of the artery walls. The more pressure the blood exerts on the artery walls‚ the higher the blood pressure will be. T he size of small
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Issue study - blood doping Blood doping is generally known for the increased of hemoglobin throughout the bloodstream. This basically means that there is more oxygen carrying protein in the blood. Blood doping has three different types‚ Injections of Erythropoietin (EPO)‚ Blood transfusions and injections of synesthetic oxygen carriers. The athletes who blood dope are usually the ones who compete in endurance and long distance events. Competitors who blood dope believe this is best way they can
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The Misunderstood Option of Cord Blood Banking Despite the benefits of using umbilical cord blood stem cells for transplant‚ the process also has some disadvantages. Today‚ more than 20 years after the first successful umbilical cord blood stem cell transplant‚ more families are seeking information about whether or not to invest in saving their newborn’s umbilical cord blood. Cord blood banking is not a routine procedure you have to choose and plan ahead of time‚ usually in second trimester of
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