4. a.In what way placenta protects growing fetus?Do you think placenta protects fetus from COVID 19? Explain why?
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It keeps the mother's blood separate from the baby's blood to protect thebaby against infections. Towards the end of the pregnancy, the placentapasses on antibodies to protect the babyafter birth. Alcohol, nicotine and other drugs and medicines can cross theplacenta and damage your baby.
In the largest study to examine health of placentas in ... so you wouldn't expect to find anything wrong with the ... "The placenta acts like a ventilator for the fetus, and if it ...
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