Question

which is the first type of cell to differentiate? neuron epithelial cell muscle cell blood cell

Explanation:

During embryonic development, epithelial cells are among the first to differentiate. They form the outer - layer (ectoderm) and inner - layer (endoderm) linings early on. Blood cells, muscle cells, and neurons differentiate later in development as part of more complex organ and tissue formation processes.

Answer:

epithelial cell