Placenta

This is an old revision of this page, as edited by N (talk | contribs) at 09:20, March 11, 2007. It may differ significantly from current revision.

A placenta is a bodily structure that allows nutrient and gases to pass between the mother and the embryo.[1]


References

  1. ↑ Wile, Dr. Jay L. Exploring Creation With Biology. Apologia Educational Ministries, Inc. 1998