The endoderm forms A) muscle. B) blood. C) neural tissue. D) skin. E) the urinar

Question

The endoderm forms A) muscle. B) blood. C) neural tissue. D) skin. E) the urinary bladder. The mesoderm and the trophoblast combine to form the A) amnion. B) amniotic sac. C) chorion. D) allantois. E) None of the answers is correct. The extraembryonic membrane that forms a fluid-filled sac is the A) yolk sac. B) amnion. C) allantois. D) All of the answers arc correct. E) None of the answers is correct. The extraembryonic membrane that forms the fetal portion of the placenta is the A) yolk sac. B) amnion. C) allantois. D) chorion. E) None of the answers is correct. Which of the following is one of the critical events of the first trimester? A) cleavage B) implantation C) placental ion D) gastrulation E) All of the answers are correct.

Explanation / Answer

34: E: Urinary bladder
Endoderm forms the pancreas, liver, bladder and the epithelial lining of gastrointestinal tract and trachea.
35:C: Chorion
Chorion is formed by joining of mesoderm and trophoblast.
36: B: Amnion
Amnion is the extraembryonic membrane that forms a fluid-filled sac and protect the embryo from desiccation.
37: D: Chorion
Chorion forms the fetal portion of placenta.

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.