Thanks to Embryology you can know how we were when we had days of life. And specifically in the third week there is a process called Gastrulation and that knowing it is a Wonder
Very interesting to know more about how God does things well
(I do not advance anything to respect the content of the owner) and it is worth watching the following video because it is really surprising to see how we were with 20 days of life
The fact is that in the Gastrulation (as mentioned in the video) the area that will be the buccal and the area that will be the fecal is defined, and from these two poles later, and in their union, the spine arises and from there the rest of the organs of our body unfold
https://youtu.be/Z-kVT6lCYmg?t=134
https://youtu.be/692FPm9YNgs?t=163
Very interesting to know more about how God does things well
References:
Catechism of the Catholic Church click here
184 "Faith is a foretaste of the knowledge that will make us blessed in the life to come" (St. Thomas Aquinas. Comp. theol. 1, 2).
[...]
We believe in the Holy Spirit, the Lord, the giver of life,
who proceeds from the Father and the Son
[...]
Franco Kelly Science Channel:
https://www.youtube.com/channel/UCbqE5alFEwL5ynMMipTK7ng
YouTube: https://www.youtube.com