Which are true about the what are true about the embryonic and fetal stages? Check all that apply.
The embryonic stage is the third to the eighth week after fertilization,
The fetal stage is the ninth to the thirty-eighth week after fertilization,
In the embryonic stage, the number of cells increases.
In the fetal stage, the number of cells remains the same.
An embryo is an early developmental stage that ends when all organs are present.