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. There is a tutorial on blood cells in Blackboard under the Lab Tutorial button. Use it to study the different kinds of blood cells. Under the External Links button Blood Functions: Understand the following functions of Blood.i) Transport Nutrients, Hormones, Wastesii) Regulates Body Temperatureiii) Provides Protection (Immune Response, Hemostasis)Blood Composition: write a short description of each of the following components of bloodPlasma-Proteins-Electrolytes-Gases-Water-Nutrients-Wastes-Formed Elements (cells): Briefly describe the functions for the following cells:Table 17.2 on page 644 in the textbook gives you a summary of the formed elements of the blood.Erythrocytes-Leukocytes-Platelets- 1
Red Blood Cell (RBC) = Erythrocyte:Figure 17.7 on page 638 in the textbook reviews the life cycle of RBC’sRed blood cells (erythrocytes) are biconcave disks and this shape increases the ________ ________ of the cell and maximizes diffusion of gases. Watch the hemoglobin animation in the course documents.The _____________ protein binds oxygen in RBCs.When oxygen combines with hemoglobin, it forms bright red___________________________. When hemoglobin releases the oxygen, it becomes dark red _________________.What is hypoxia?What is cyanosis?To store more hemoglobin, red blood cells discard their ________________ during development. Without DNA, RBCs cannot reproduce or produce proteins.RBCcounts:What is a typical RBC count for males? What is a typical RBC count for females?RBC Production:After birth, RBC production occurs in the red ________________ ___________________.The average life span of a red blood cell is ________________________.Control of RBC production: 2
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- Winter '14