NEETZoologyHuman Reproduction
Select the correct statement about the given diagram.
Options
- AAfter implantation, finger-like projections appear on the trophoblast called chorionic villi which are surroun
- BThe placenta only facilitate the supply of oxygen and nutrients to the embryo.
- CPlacenta has no endocrine function.
- DAll of these
Correct answer
A. After implantation, finger-like projections appear on the trophoblast called chorionic villi which are surroun
Step-by-step solution
Statement A is correct: After implantation, finger-like projections appear on the trophoblast called chorionic villi which are surrounded by the uterine tissue and maternal blood. Statement B is incorrect .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. Statement C is incorrect. Placenta also acts as an endocrine tissue and produces several hormones