Blood4 - Blood Blood Functions: - transport &...

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Blood Blood Functions: - transport & distribution and hormones - regulation of body temperature, normal pH and fluid volume in cells & tissues - protection against blood loss (clotting) and infection (white blood cells) Blood Characteristics: - pH of blood is maintained between 7.35 and 7.45 by carbonic acid-bicarbonate ion buffer system - blood accounts for ~ 8% body weight - blood volume in adults is normally 5-6 L in males and 4-5 L in females Blood Components: - plasma & formed elements (erythrocytes, leukocytes & platelets) - hematocrit : % of total blood volume occupied by erythrocytes (normally between 42% and 47% ± 5%) Blood Plasma: fluid component of blood - mostly (~ 90%) water - contains over 100 different dissolved solutes, including: o proteins : albumin, globulins, clotting proteins, etc. albumin contributes to plasma osmotic pressure globulins include transport proteins &
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Blood4 - Blood Blood Functions: - transport &...

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