(a) Explain the structure and function of placenta.(b) Name one sexual

1.	(a) Explain the structure and function of placenta.(b) Name one sexually transmitted disease each caused by i) virus ii) bacteria(c) Why has government banned pre- natal sex determination?
Answer» a. The placenta is composed of both maternal tissue and tissue derived from the embryo. Thechorionisthe embryonic-derived portion of the placenta. It is composed of trophoblasts, which you may remember are the cells that made up the outer cell layer of the blastocyst. The placenta serves as an interface between the mother and the developing fetus and has three main jobs: Attach the fetus to the uterine wall Provide nutrients to the fetus Allow the fetus to transfer waste products to the mother's blood b. i.HIV- Human influenza virus ii gonorrhea c . The act aims to preventsex-selective abortion,

(a) Explain the structure and function of placenta.(b) Name one sexually transmitted disease each caused by i) virus ii) bacteria(c) Why has government banned pre- natal sex determination?

Answer»

a. The placenta is composed of both maternal tissue and tissue derived from the embryo. Thechorionisthe embryonic-derived portion of the placenta. It is composed of trophoblasts, which you may remember are the cells that made up the outer cell layer of the blastocyst.

The placenta serves as an interface between the mother and the developing fetus and has three main jobs:

Attach the fetus to the uterine wall

Provide nutrients to the fetus

Allow the fetus to transfer waste products to the mother's blood

b. i.HIV- Human influenza virus ii gonorrhea

c . The act aims to preventsex-selective abortion,

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