Which statement is true regarding the yolk sac?
A) Only animals that develop outside the mother, like a chicken, have yolk sacs.
B) The yolk sac in a human is inactive.
C) The placenta and yolk sac are synonymous.
D) The yolk sac will help to form the digestive system.

Question

Quizplus · Accepted Answer

The yolk sac in humans plays a role in the early development of the digestive system and also contributes to the formation of blood cells and the germ cells.

Which Statement Is True Regarding the Yolk Sac