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Hematology system composed of:

Blood, blood cells, lymph, other organs concerned w/ blood IE: spleen, liver

Blood components (3)

platelets - thrombocytes
RBC - erythrocytes
WBC - leukocytes

Platelets: thrombocytes
Fxn performated how? Range?

Perform most of their fxn by aggregtion (clumping). Bone marrow production of platelets controlled by growth factors (throbopoietin)
Range: 150,000 - 400,000 mm

RBC: Erythrocytes
contain nucleus?

Largest portion of blood cells
No nucleus: have biconcave disk shape, # of RBC vary to gender, age and general health.
Normal Range: 4,200 - 6,100,000/mm

RBC : produce Hgb
what is critical component of Hgb?
Produce what?
important feature?
Female range?
Male range?

Iron is critical component of Hgb
Globulin portion of hemoglobin caries carbon dioxide, RBC's also buffer & help maintain acid-base balance.
Important feature of RBC = ability to combine lossely w/ oxygen.
FEMALE: 12-16 g/dl
MALE: 14-18

WBC : Leukocytes
what critical action?
formed where?

Action critical to inflammation & immunity
Formed in Bone Marrow
Many types of WBC all have specialized fxn
RANGE: 5000-10,000 /uL

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