The ratio of the work metabolic rate to the resting metabolic rate.
A MET also is defined as oxygen uptake in ml/kg/min with one MET equal to the oxygen cost of sitting quietly, equivalent to 3.5 ml/kg/min
Bilirubin is produced by the breakdown of haemoglobin (which
from the body by the liver and then stored and concentrated in the
gallbladder. It is secreted into the intestine (bowel) and removed
from the body in urine and faeces.