must have both a x chromosome and a y
the baby is a female
A girl
No. All fetuses start off as a cell which is called an egg. But human babies are not inside an egg like baby chickens are when chicks are born. Human babies do not need a shell, because the mommy's belly gives the fetus protection for the entire time. Chicks must grow inside the egg shell but outside of their mommy's belly.
The simple answer is: because they are not fertilized. In order for a baby chick to grow inside an egg and eventually hatch, it must first be fertilized, like a human woman pregnant with a baby that eventually is born. If an egg remains unfertilized, it can be used for human consumption.
Must haves for Baby showers include baby bats,diapers,strollers,toys,clothing,cribs and other new born necessities.
The circulatory and respiratory systems must work on their own.
The circulatory and respiratory systems must work on their own.
The circulatory and respiratory systems must work on their own.
The umbilical cord
The umbilical cord
Until May 2010, there is no baby born in the space, the NASA or another space agency prohibit astronaut from being pregnancy while operate a mission . Except in the special mission, the reason is in the womb phase , baby will adapt with gravity, after born, infant will learn to walk and adapt with earth gravitation, but the space condition with zero gravity takes all the environment support for human to growth. but when human growth in the space for a whole of his life, it will be different, the physical result will shape human body to thin leg, but long , tall height, and the human agility is faster than human in the earth.
The circulatory and respiratory systems must work on their own.