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Why can the placenta be called a selective exchange surface between mother and embryo?
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Answer and explanation
Correct answer: It helps send useful substances to the embryo and wastes toward the mother
Step 1: The embryo needs nutrition and oxygen. Step 2: The placenta helps exchange these materials. Step 3: It also helps move wastes from the embryo toward the mother.
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What is the correct answer to this question?
It helps send useful substances to the embryo and wastes toward the mother
Why is this the correct answer?
Step 1: The embryo needs nutrition and oxygen. Step 2: The placenta helps exchange these materials. Step 3: It also helps move wastes from the embryo toward the mother.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Reproduction.
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