Chapter 17- Blood Assignment20202021.doc - Page 1 Chapter 17 Blood Assignment For this assignment please read the chapter and answer the questions below

Chapter 17- Blood Assignment20202021.doc - Page 1 Chapter...

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Page 1 Chapter 17 - Blood Assignment For this assignment, please read the chapter and answer the questions below. Please type your answers in red or blue color. Please note that points may be deducted if answers are not submitted in these colors. Sentences in italics are meant to help you understand the material- they are not questions. Blood Functions : Understand the following functions of Blood. i) Transport Nutrients, Hormones, Wastes ii) Regulates Body Temperature iii) Provides Protection (Immune Response, Hemostasis ) Blood Composition: write a short description of each of the following components of blood (7 points) Plasma- Liquid in the blood. 90% water. Proteins- Produced by the liver Electrolytes- Sodium, Potassium, Calcium, Chloride and Bicarbonate Gases- Carbon dioxide and Nitrogen Water- 90% blood plasma Nutrients- Glucose, carbs and amino acids Wastes- Uremia Formed Elements (cells): Briefly describe the functions for the following cells (3 pointsTable 17.2 in the textbook gives you a summary of the formed elements of the blood. ) BIO 202 – Chapter 17
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Page 2 Platelets- Cells that cause blood clots. Red Blood Cell (RBC) - Erythrocyte : Figure 17.7 in the textbook reviews the life cycle of RBC’s Red blood cells (erythrocytes) are biconcave disks and this shape increases the structure, surface of the cell and maximizes diffusion of gases. Watch the hemoglobin animation in the course documents. ( 1 point ) The hemoglobin protein binds oxygen in RBCs. ( 1 point ) When oxygen combines with hemoglobin, it forms bright red oxyhemoglobin . ( 1 point ) When hemoglobin releases the oxygen, it becomes dark red deoxyhemoglobin . ( 1 point ) What is hypoxia? (1 point What is cyanosis? (1 point . )
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