25 Replies to “fetal heart circulation”

  1. How can anyone watch this and believe that it was a fluke of nature and developed by a mindless entity called evolution?? It is so obvious that there was an amazing designer (God) behind all of this.

  2. So the BP in the pulmonary circulation is lower. Is fetal blood more viscus than newborn blood? What prevents it from clotting in the fetus' respiratory circulation?

Leave a Reply

Your email address will not be published. Required fields are marked *