(D) Addiction Treatment must include maintaining a lifestyle without drugs and becoming a productive member of society
Answer:
placenta
The fetus is connected by the umbilical cord to the placenta, the organ that develops and implants in the mother's uterus during pregnancy. Through the blood vessels in the umbilical cord, the fetus receives all the necessary nutrition, oxygen, and life support from the mother through the placenta.
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Proteins are needed for growth and development of human body cells.
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