Which criterion is used to functionally classify neurons? which criterion is used to functionally classify neurons? the number of processes extending from the cell body neuron the direction in which the nerve impulse travels relative to the central nervous system whether the nerve fibers are myelinated or unmyelinated whether the neurons are found within the cns or the pns?

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed