Answer:
Development of the human heart during the first eight weeks (top) and the formation of the heart chambers (bottom). In this figure, the blue and red colors represent blood inflow and outflow (not venous and arterial blood).
I Hope This Helped You :D
I mean most people will try to be perfect but that isn’t in our human nature. Everyone messes up
Bones are hard because they are made up of bone marrow and muscles are soft because they are muscles
This is not really a question.
