The development of the human embryo follows fertilization, and continues as fetal development. By the end of the tenth week of gestational age the embryo has acquired its basic form and is referred to as a fetus. The next period is that of fetal development where many organs become fully developed.
All stages respiration occur in every single cell.
I think you need to post the diagram so people can awnser
The answer would be B, chloroplast :)
