The series of canals used to transport materials throughout the cytoplasm in the cell is Endoplasmic reticulum. It comprises of the rough endoplasmic reticulum, with the ribosomes attached to its surface and the smooth endoplasmic reticulum( no ribosomes attached)
It could tell the weight of the individual that wore the footprint. It's especially useful in crime cases, because using the weight and shoe size, interpreters can accurately guess the height and gender of the individual.
