Connective Tissue: Blood

by Geoffrey Meyer, PhD

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    In this lecture, I am going to talk about blood. Blood is a very specialized connective tissue. It is a fluid and it flows within blood vessels throughout the entire body. At the end of this lecture, I want you to be able to understand that blood consists of plasma, a fluid which either has lots and lots of proteins and other substances that have very important roles throughout the body. Blood also has cells, red blood cells and the white blood cells. And I want you also to understand their functions and how to identify them. Blood contains platelets and also it would be a good idea for you to be able to understand the relative numbers of each of these blood cells in blood and also some idea of their relative sizes. Well, blood has many different functions. As I mentioned earlier, it is a fluid flowing within blood vessels right throughout the body and therefore it can deliver certain substances to all the tissues of the body. It can take away waste products. Importantly it carries cells with it that helps us fight, a defence against invading pathogens, the immune cells. It also carries around lots of chemical messengers like hormones, that are secreted from endocrine glands and then deliver to their target organs some distance away from those glands. We will learn that it is very important in maintaining various roles in hemostasis in the body. For instance, maintaining a relatively even tissue volume of fluid proportions. Also it is involved with thermoregulation like sweat glands in skin. And we will also appreciate that the erythrocyte or the red blood cell is the important cell that transport oxygen and carbon dioxide to the tissues and from the tissues. Well let us first of all look at...

    About the Lecture

    The lecture Connective Tissue: Blood by Geoffrey Meyer, PhD is from the course Connective Tissue. It contains the following chapters:

    • Blood
    • Red and white blood cells
    • Neutrophil
    • Eosinophil and basophil
    • Lymphocyte and monocyte
    • Thrombocyte

    Included Quiz Questions

    1. erythrocytes
    2. plasma
    3. leukocytes
    4. platelets
    5. hemoblobin
    1. albumin
    2. a globulin
    3. fibrinogen
    4. chemical messenger
    5. hemoglobin
    1. azurophilic granules in granulocytes
    2. specific granules in granulocytes
    3. tertiary granules in granulocytes
    4. erythrocytes
    5. plasma
    1. 2-4%
    2. 60-70%
    3. 28%
    4. 5%
    5. 0.5%

    Author of lecture Connective Tissue: Blood

     Geoffrey Meyer, PhD

    Geoffrey Meyer, PhD

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