How do individual cells work together to form organs? For example, how does a heart cell know it’s a heart cell and know what to do?
In: Biology
I don’t think that scientists know exactly, but even at very very early stages foetal cells are exposed to different concentrations of hormones and chemicals eg some may be on the outside of the growing embryo, and others will be on the inside. It is possible that these different concentrations trigger the cells to develop different characteristics.
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