On the 22nd day of pregnancy, an embryo’s heart begins to beat. It’s just a simple muscle tube. But little by little it transforms.
Source: German Heart Report 2022
This is how it works: The human heart is a strong organ – with weak points
On the 22nd day of pregnancy, an embryo’s heart begins to beat. It’s just a simple muscle tube. But little by little it transforms.
Source: German Heart Report 2022