Answer:
red and blue
Explanation:
i did this real
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
Maybe you should go to a doctor. ;-;
Type 2
Type 2 diabetes is the most common
control
i think
