The placenta is made up of a contribution from mother and fetus. Which portion is from the fetus?
A) chorion
B) umbilicus
C) yolk sac
D) amnion
A
Explanation:
B) The umbilicus is not from the fetus.
C) The yolk sac is not from the fetus.
D) The amnion is not from the fetus.
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The velocity of blood flow inside a blood vessel
A. is equal to the blood pressure. B. is faster in the center of the blood vessel. C. is most rapid at a bend or turn in the vessel. D. increases along the walls of the blood vessel. E. is more rapid along the sides of the vessel.
A certain reaction pathway consists of four steps. How would decreasing the amount of enzyme that catalyzes the second step affect the process?
What will be an ideal response?
Lymph in the lacteals, which looks milky due to the fat content, is called ____________________
Fill in the blank(s) with correct word
During implantation, the trophoblast divides into a deep layer called the ________, which is composed of individual cells.
A. cytotrophoblast B. amnion C. embryoblast D. syncytiotrophoblast E. chorion