Describe in brief the structure and function of placenta.

Answer:

Placenta refers to the temporary vascular organ found in mammals, which attaches the fetus to the uterus of the mother during pregnancy. Placenta in mammals is divided into two types, namely yolk sac placenta and chorioallantoic placenta. The placenta is disk-shaped and measures up to 22 cm in length. The placenta is also rich in blood vessels.

Functions of placenta

  • The placenta is the passage that unites the fetus to the mother.
  • Transmission of nutrients and oxygen from mother to the fetus and the release of carbon dioxide and waste materials from the fetus takes place through the placenta.

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