6 to 8 hrs for digestion. it stays in the stomach for 2 hours and then in the intestine for another 2 hours. the undigested food goes to the large intestine and the digested food goes to whole body through blood. Carbhydrates and proteins about 1 1/2 -2 hrs. Fats 2 hrs.
And based on that a foetus does not posses self-awareness. Human babies have been found to become self aware between the ages of 18-24 months. The rouge test is a self-recognition test that identifies a human child's ability to recognize a reflection in a mirror as his or her own.
As a young adult James Earl Chaney became involved in the struggle for civil and human rights. In 1958, at age 15, he and two young members of the local NAACP, as part of a recruiting program, initiated the wearing of paper badges with the letters N.A.A.C.P on them to school.