Saturday, April 16, 2011

Objective 17 - The functions of blood

The information provided in the lecture PowerPoint in regards to the functions of blood was largely review information for me.  The majority of this information was learned in BIO-100 in discussions regarding cellular respiration, the structure of water and heat capacity, pH and acidity, and in learning about the plasma membrane and cellular receptors.  

  1. Distribution
    1. Oxygen and nutrients to body cells
    2. Metabolic wastes to lungs and kidneys for elimination
    3. Hormones from endocrine organs to target organs or cells
  2. Regulation
    1. Of body temperature by absorbing and distributing heat
    2. Normal pH using buffers
    3. Adequate fluid volume in the circulatory system
  3. Protection against:
    1. Blood Loss
      1. Plasma proteins and platelets initiate clot formation
    2. Infection
      1. Antibodies
      2. Complement Proteins
      3. WBC's defend against foreign invaders

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