through the process of cellular respiration energy in food is coverted into energy that can be used in body's cells, glucose and oxygen are converted into carbon dioxide and water and the energy is transferred to ATP- the energy carrying molecule that provides energy for your cells to work, such as moving muscles
uterus It passes through the fallopian tube into the uterus, where it attaches to the uterine wall. The placenta, which will nourish the baby, also starts to form.