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What is the primary role of the placenta in mammals?

Practice Questions

Q1
What is the primary role of the placenta in mammals?
  1. Nutrient absorption
  2. Gas exchange
  3. Waste elimination
  4. All of the above

Questions & Step-by-Step Solutions

What is the primary role of the placenta in mammals?
  • Step 1: Understand that the placenta is an organ that forms during pregnancy in mammals.
  • Step 2: Know that the placenta connects the mother to the developing fetus.
  • Step 3: Learn that one of the main roles of the placenta is to absorb nutrients from the mother's blood.
  • Step 4: Recognize that the placenta also allows for gas exchange, meaning it helps the fetus get oxygen and get rid of carbon dioxide.
  • Step 5: Remember that the placenta helps eliminate waste products from the fetus into the mother's blood for disposal.
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