WA9-The Science of Nutrition

WA9-The Science of Nutrition - Running Head THE SCIENCE OF...

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Unformatted text preview: Running Head: THE SCIENCE OF NUTRITION 1 The Science of Nutrition (BIO-208): (WA9) January 3, 2012 Thomas Edison State College Dr. Stephen Glass Running Head: THE SCIENCE OF NUTRITION 2 Describe the normal events of fetal development and how does malnutrition impair fetal development? The fetal development begins with the fertilization of the ovum by the sperm and then after that it goes by stages; the first stage is call the Zygote and is when the new ovum get fertilized, In the first weeks of fetal development the embryo is made up of layers of cells which rapidly develop and get divided to become a blastocyst, this would float down to the uterus where it inserts itself. This is where the process of implantation begins and the division of cells continues at a rapid rate getting divided into other many cells. Around the second month the ovum has become an embryo and the appearance of slightly webbed fingers moving. The third stage is called the fetus and is when the growth of fetus is very fast, the eyes are formed and bone formation also starts, during the 7 th month, the fetus can follow light and open and close eyes. By the end of ninth month the fetus is fully grown with the entire organ and the organs systems, at this term the weight of the fetus had increases from ounces to pounds, full term pregnancy last from 38 to 40 weeks. During the growth of fetus, nutrition is very important factor for the development of organs and tissues, blood, brain and bones. Lack of maternal nutrition or malnutrition can cause irreversible harm to the fetus like ‘fetal growth retardation and congenital malformations (birth defects), spontaneous abortion and stillbirth, preterm birth, and low infant birth weight” (p. 510). For example, a mother should take folate before and after throughout the first trimester to support a healthy pregnancy and prevent neural tubes defect. An undernourished mother is expected to give birth to an Running Head: THE SCIENCE OF NUTRITION 3 underweight baby, who may be underdeveloped as a child and in turn give birth to malnourished baby. (p. 499) Compare and contrast major differences in nutrient content of breast milk and cow's milk?...
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WA9-The Science of Nutrition - Running Head THE SCIENCE OF...

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