The Central Intelligence Agency is responsible for the intelligence gathering, processing, analysis and reporting procedures conducted throughout the world outside of the United States. The agency monitors (watches) and determines if there are issues of interest occurring in the world.
A typical adult has a blood volume of approximately 5 liters, with females generally having less blood volume than males. Blood volume is regulated by the kidneys. B V = P V 1 â H C {\displaystyle BV={\frac {PV}{1-HC}}}. Blood volume measurement may be used in people with congestive heart failure, chronic hypertension, renal failure and critical care. The use of relative blood volume changes during dialysis is of questionable utility.
1 Haematocrit measures the amount of space red blood cells take up in the blood. 2  It is reported as a percentage (0 to 100) or a proportion (0 to 1). 3  The platelet count is the number of platelets in a given volume of blood.4  Both increases and decreases can point to bleeding or clotting disorders. White blood cell (WBC) count is a count of the actual number of white blood cells per volume of blood. 2  Both increases and decreases can be significant. 3  White blood cell differential: looks at the types of white blood cells present.