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प्रश्न
What is the role of placenta?
अति संक्षिप्त उत्तर
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उत्तर
The placenta enables exchange of respiratory gases, nutrients and wastes between the mother and foetus, and also secretes hormones that help maintain pregnancy.
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अध्याय 3: Human Reproduction - EXERCISES [पृष्ठ १७३]
