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The _____ consists of a group of tissues in which small blood vessels from the mother and the offspring intertwine but do not join.

User Hubbitus
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1 Answer

6 votes

Answer:

Umbilical cord, Nervous system & Digestive system

Step-by-step explanation:

These are the group of tissue in small blood vessels that can't join between mother and offspring blood vessels.

User Mathmike
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