Essay about Prenatal Development And Human Development

1128 Words Aug 15th, 2016 null Page

Prenatal development begins when once an egg has been fertilized. This is the ultimate beginning of Human Development. The many changes that fertilized egg goes through before becoming a new born human is all a part of prenatal development. The first part of this period called zygote. This is the process that fertilized egg take until it plants itself in wall of the uterus. While in the uterus the structure called the placenta exchanges the nutrients between the pregnant woman and the developing child. About 3 weeks after this process has begun the embryo is formed by the zygote fully embedding itself in the uterine wall. During this the body structure is formed. The organs are growing. The embryo environment rest in a sac called amnion. Also during this time the umbilical cord is formed which give a connection from developing child to the placenta. Blood vessels and veins run through the umbilical cord and give the developing child life. The next and final stage is the forming of the fetus which last from about week 9 until birth. During this stage the fetus goes through is finishing touches before birth. The rapid increase in growth is seen here when a fetus starts off by weighing about 2 ounces and end up being 7 to 8 pounds. The main system in life are finished in this stage, like respiratory, digestive and vision. The process that goes on inside of a woman is very important to prenatal development, but as so is the things that go on outside. Some influences…

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