first nine months of a new human growing inside its mother, every mother hopes that their fetus is healthy.
Fetus' Needs
a fetus relies on its mother to supply it with everything it needs to do all the 7 processes of life.
Process
the substances that a fetus needs are brought to it in its mothers blood which comes close to the fetus' blood but does not mix with.
the substances that the fetus needs diffuse from the mother's blood to the fetus' blood and the substances that the fetus needs to excrete diffuse in the opposite direction.
