Lean body mass is made up of the following elements: Muscle, bones, vital organs, blood and water. Its calculation is carried out by subtracting the weight of body fat from the total weight (Lean Body Mass = Weight × (100 -% body fat). It is important to know how much lean mass and how much fat mass we have to guide our diet towards fat loss. In this way we will ensure that the loss of lean mass is as small as possible.
The phlebotomist probably punctured an artery. Arterial blood is oxygen rich blood. The greater amount of oxygen changes the physical characteristics of this type from a purplish to bright red, cherry, changing the pH from low to high pH.
