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21 Cards in this Set

  • Front
  • Back

Circulatory System

heart, blood vessels, blood

Cardiovascular System

ONLY heart and vessels

Hematology

the study of blood

Purpose of Circulatory System

transport substances from place to place in the body

Functions of Circulatory System

transport


protection


regulation

Blood

  • adults have 4-6 liters of blood
  • composed of cells and extra cellular matrix

Blood Plasma

  • clear, light yellow fluid
  • little over half of the blood volume
  • contains formed elements

Formed Elements

cells to cell fragments


  1. red blood cells
  2. white blood cells
  3. cell platelets

Formed Elements

Erythrocytes ( red blood cells, RBC's)


  • densest elements, 37-52% of total volume


Platelets



Leukocytes ( white blood cells, WBC's)


  • buffy coat above RBC's, 1% blood volume

Leukocytes ( White Blood Cells)

Granulocytes


  • neutrophils
  • eosinophils
  • basophils


Agranulocutes


  • Lymphocytes
  • Monocytes

Hemocrit

total blood volume

Plasma

mixture of water, proteins, nitrogenous wastes, gases

Serum

  • when blood clots and solids are removed
  • identical to plasma except for ​absence of fibrinogen

Plasma Solutes

Proteins:



Albumin


Globulin ( alpha, beta, gamma)


Fibrinogen


Viscosity

thickness/stickness of a fluid

Osmolarity

total molarity of disabled particles that cannot pass through the blood vessel wall



osmolarity of blood is a product of sodium ions, protein, and erythrocytes

Colloid Osmotic Pressure

contribution of protein to blood osmotic pressure

hemopoiesis

the production of blood

hemopoietic tissues

tissues that produce blood cells

myeloid hemopoiesis

blood formation in the bone marrow

lymphoid hemopoiesis

blood formation in the lymphatic organs