The Physical Development OF A Human Being

As defined in Berk's, Development Through the Lifespan, physical development is changes in body size, proportions, appearance, and the functioning of various body systems; brain development; perceptual and motor capacities; and physical health. The physical development of a human being is the unique because of all of the visible changes that every human being goes through. Physical growth results from a continuous and complex interplay between heredity and environment. Humans begin to develop before they are out of their mother's womb. After conception, the zygote is what I consider the earliest development of the human being. The period of the zygote is about two weeks long. The zygote then becomes an embryo. The period of the embryo lasts from the second week on through the eighth week of pregnancy. The embryo then changes to form the fetus. The period of the fetus is from the ninth week until the end of the pregnancy. The zygote, embryo, and fetus all form in the first trimester or pregnancy. By the third trimester, the fetus is around seven and half pounds.

I weighed about eight and one fourth pounds when I was born. My mother still tells me that whe

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Some common words found in the essay are:
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Approximate Word count = 2954
Approximate Pages = 12 (250 words per page double spaced)