During Implantation

question 12

Multiple Choice

During implantation,

• A) the syncytial trophoblast erodes a path through the endometrium.
• B) the inner cell mass begins to form the placenta.
• C) maternal blood vessels in the endometrium are walled off from the blastocyst.
• D) the entire trophoblast becomes syncytial.
• E) the inner cell mass is temporarily deprived of nutrients.

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Definitions:

Imports

Goods and services purchased from foreign producers, brought into a country.

Trade Deficit

A situation where a country imports more goods and services than it exports, resulting in a negative balance of trade.

Exports

Goods or services sent from one country to another for sale.

Imports

Merchandise or services that are brought from one nation into another for retail purposes.