ÏBlood consists of fluid element (plasma) and formed elements cells (cells) include erythrocytes, platelets and leukocytes

ÏAdult has about 5.5 Liters

ÏHematocrit is volume of packed RBC

ÏBlood usually studied in stained smear

ÏBlood cells produced in bone marrow from stem cells

 

K A yellowish fluid in which cells , platelets, organic compounds, and electrolytes suspended or dissolved
K Major component is water(90% volume) K Proteins(9%)
KInorganic salts ions, nitrogenous compounds, nutrients and gases constitute the remaining 1%

Serum
xAfter coagulation, some of organic and inorganic components leave the plasma forming clot
remaining fluid is called Serum

 

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