blood vessels to identify lab
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Blood
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Blood Types
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ABO and Rh Blood Groups Blood type is inherited from your parents and is determined by the presence or absence of certain antigens, or agglutinogens, on the surface of red blood cells. Blood plasma also contains specific antibodies, or agglutinins. These antibody molecules will react to foreign antigens causing those cells to burst, a process called hemolysis. This is why it?s important to perform blood type testing before blood transfusions. There are several types of surface antigens on blood cells, but the ABO and Rh antigens are the most common. Rh Blood Group: The Rh blood groups has two types, Rh positive and Rh negative. The Rh surface antigen is also called the D antigen. If the antigen is present, the type is Rh+ and if it is absent, the type is Rh-.
Hematocrit Activity
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Hematocrit Name _______________________ Date _______________Pd_______ A hematocrit is a blood test that measures the ratio of the volume of red blood cells to the total volume of blood. A blood sample is usually collected in a small capillary tube and spun down in a centrifuge so that the more dense erythrocytes settle at the bottom and the liquid plasma rises to the top. The leukocytes and thrombocytes form a whitish layer below the plasma. A hematocrit can also be run from a sample of blood taken from a vein. Then the length of the column is measured and calculations are performed to determine the % of red blood cells. Using what you know about blood composition, draw and label a normal hematocrit result on the test tube image below.
Introduction to Anatomy & Physiology
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Introduction to Anatomy & Physiology 1 Anatomy & Physiology Overview 2 The Human Body Each individual is unique, but the basic structure and function of the human body does not vary much from one person to the next. 3 3 Anatomy Anatomy is the study of the structure and shape of the body and body parts as well as their relationship to one another. For example, to describe the anatomy of the stomach, you might discuss its size, shape, color and location. 4 The word ?anatomy? is from the Greek ?tomy? which means to cut and ?ana? which means apart. Gross anatomy is the study of dissected animals or organs. Microscopic anatomy refers to the study of structures too small to be seen without a microscope or other magnifying instrument. 4 Physiology
Biology Heart Dissection
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The heart ? Consist of 4 chambers ? Function : Pump oxygenated blood to all parts of the body and to remove waste such as carbon dioxide in the cells. External Anatomy External Anatomy L R Right Atrium External Anatomy L R Right Ventricl e External Anatomy L R Left Atrium External Anatomy L R Left Ventricle Internal Anatomy R L Right Atrium Internal Anatomy R L Right Ventricle Internal Anatomy R L Left Atrium Internal Anatomy R L Left Ventricle Direction of blood Deoxygenated blood from the body ? right atrium ? right ventricle The deoxygenated blood ?the lungs where gases exchange occurs. Carbon dioxide is removed and the blood is oxygenated. Oxygenated and nutrient
Chapter 42 Vocab
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ib english
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Previous IB Exam Essay Questions: Unit 10 Use these model essay questions and responses to prepare for essay questions on your in-class tests, as well as the IB Examination, Paper 3. The questions below have appeared on IB HL Examinations over the past several years. The answers following the questions are the markscheme ideal responses used to evaluate student examination responses. 1. Outline the experiments of Miller and Urey into the origin of organic compounds on Earth. 6 marks apparatus contructed in which chemicals could circulate gases of pre-biotic Earth`s atmosphere mixed inside methane (as a carbon source) ammonia water vapor and hydrogen sparks/ electric discharge (to simulate lightning) high temperature/ boiling water no free oxygen
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