The second stage of prenatal development begins at about two weeks after conception. at this point, the growing bundle of cells is called an embryo.
The manner in which the fat left your friends body is that it was released as CO2 and H2O.
The mixture would be :
1. Homogeneous; dissolving followed by filtration and distillation
salt dissolve in water and will be the filtrate and chalk will be the residue in the filter paper
hope this helps
