BLOOD

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Author:
ksales23
ID:
107084
Filename:
BLOOD
Updated:
2011-10-07 05:37:19
Tags:
CHAPTER 16
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Description:
CH 16 BLOOD
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  1. Blood
    • connective tissue composed of:
    • Plasma
    • Formed elements
    • -erythrocytes (RBCs)
    • -leukocytes (WBCs)
    • -Platelets
  2. Hematocrit
    • = percent of blood volume that is RBCs
    • 47% - 5% for males
    • 42% - 5% for females
  3. Physical Characteristics & volume of blood
    • Sticky, opaque fluid
    • scarlet to dark red
    • pH = 7.35-7.45
    • 38 degress C
    • 8% of body weight
    • ave volume males 5-6 liters
    • females 4-5 liters
  4. Distribution of Blood
    • oxygen / nutrients to body cells
    • metabolic wastes to lungs / kidneys-out
    • Hormones from endocrine to target organs
  5. Regulation of Blood
    • Body temp by absorbing / distributig heat
    • Normal pH using buffers
    • Adequate fluid volume in circulatory system
  6. Protection against
    • Blood loss
    • -Plasma proteins and platelets -
    • -clot formation
    • Infection
    • -antibodies
    • -complex proteins
    • -WBCs defend against foreign invaders
  7. Blood Plasma
    • 90% water
    • Proteins are mostly produced by the liver
    • -60% albumin
    • -36% gobulins
    • -4% fibrinogen

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