Human Reproduction — BIOLOGY STD 12 Science — Question
Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYHuman Reproduction2 Marks
Question
What are the functions of placenta?
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Answer
→ The placenta is connected to the embryo through an umbilical cord which helps in the transport of substances to and from the embryo. → The placenta facilitate the supply of oxygen and nutrients to the embryo and also removal of carbon dioxide and excretory/waste materials produced by the embryo. → Placenta also acts as an endocrine tissue and produces several hormones like human chorionic gonadotropin (hCG), human placental lactogen (hPL), estrogens, progestogens, etc.
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