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.
Being self-conscious just means being aware of oneself. But too much of anything can be bad. Usually when someone says she is âself-conscious,â she means that she is aware of some flaw. This is not the type of self-consciousness dealt with here. Body awareness; Private self-consciousness; Public self-consciousness ; Becoming aware of your body