The first organ to develop in the embryo is the heart. In a fetus, there is a brain, but it isn't fully developed and can't understand signals from the nervous system. Therefore the first functional organ would be the heart. But the first thing to start developing in a fetus is the nervous system. ( no that isn't an organ )
The wall of the uterus.
In plants embryo develops in new seedling and in animals it develops into feotus which later develops into baby
The Nervous System
Two greatly important Biochemical Events, first Differentiation, and then Determination. [Short Answer]!
heart
The wall of the uterus.
The wall of the uterus.
In plants embryo develops in new seedling and in animals it develops into feotus which later develops into baby
The Placenta.
The Nervous System
heart
Two greatly important Biochemical Events, first Differentiation, and then Determination. [Short Answer]!
Yes it is. The Ovum combines with one Spermatozoa to first form a Zygote; this develops into the multi-Celled Blastocyte which quickly develops into an Embryo.
Yes it is. The Ovum combines with one Spermatozoa to first form a Zygote; this develops into the multi-Celled Blastocyte which quickly develops into an Embryo.
heart
In mammals, the embryo develops with in the specialised part of the oviduct .
notochord