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Blood
Blood circulation:
Distribution: blood transports:
Oxygen and nutrients -> peripheral tissue
CO2
H2O, electrolytes, urea -> urine (kidneys)
Hormones (endocrine glands) -> target organs
Regulation:
Appropriate body temperature
pH in tissues buffer systems
fluid volume in circulatory systems
Protection:
prevents blood loss (Platelets)
prevents infection (WBC)
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