What is chorion??? What's it's function?

The chorion is one of the first membranes that forms during a pregnancy and is composed of two layers, the mesoderm and trophoblasts. ... The chorion is crucial to the fetus, since it provides life support by providing for a pathway for the exchange of gases, blood, and waste between the mother and the fetus.

The functions of the chorion are to protect and nurture the embryo. The chorionic fluid protects the embryo from shock, and the chorionic villi allow the exchange of nutrients, oxygen and waste products with the mother.

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answer: national resource conservation services

national resource conservation services is the us. based approach that provides technical and financial assistance for natural resource management. nrcs society in conservation of resources by involving in activities like farmland protection, flood prevention, watershed protection, urban conservation, conserves economic and environmental conditions. it conducts soil surveys and implements the policy of natural resources management on the society.