Question

multiple choice question
which of the following connects the developing organism to the placenta?

umbilical cord
blastocyst
embryonic disk
fallopian tubes
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Explanation:

• The umbilical cord is the structure that transports nutrients, oxygen, and waste between the developing organism and the placenta.
• A blastocyst is an early stage of embryonic development, not a connecting structure.
• The embryonic disk is the part of the blastocyst that forms the embryo, not a connector to the placenta.
• Fallopian tubes are the structures where fertilization occurs, not a link between the embryo and placenta.

Answer:

umbilical cord