What are the stages of prenatal Development? - ANS ✔✔Zygote
Embryo
Fetus
What is the development stage during the second and third trimester? - ANS ✔✔Fetus
What are the stages of pregnancy? - ANS ✔✔Germinal
Embryonic
Fetal
What are the characteristics of the germinal stage? - ANS ✔✔Weeks 1-2
Creation of the first cell (zygote)
Zygote develops into blastocyst
Implants itself into the uterine wall
What are the characteristics of the embryonic stage? - ANS ✔✔Weeks 3-8
Blastocyst turns into an embryo
Endoderm development
Mesoderm development
Ectoderm development
First sign of human structure (head, facial features, extremities)
Organogensis
What is endoderm development? - ANS ✔✔Inner layer, digestive system and respiratory system