MATCHING
Match each term with its corresponding description or definition.
-structure that becomes a fluid-filled,shock-absorbing structure sometimes called the "bag of waters"
A)yolk sac
B)fraternal twins
C)zygote
D)histogenesis
E)amniotic cavity
F)identical twins
G)morula
H)primary germ layers
I)blastocyst
J)placenta

Question

Quizplus · Accepted Answer

The amniotic cavity is the structure that becomes filled with fluid to create the "bag of waters."

Answer: F
 Identical twins come from a single fertilized egg that splits into two embryos.

Answer: C
 The zygote is the single cell that forms when a sperm fertilizes an egg.

Answer: D
 Histogenesis is the process by which cells differentiate into the different types of tissues found in the body.

Answer: I
 The blastocyst is an early stage of development in which a fluid-filled cavity forms within the cluster of cells.

Answer: H
 The primary germ layers are the three layers of cells that form early in development and give rise to all of the tissues and organs in the body.

Answer: A
 The yolk sac is an early structure that provides nutrients to the developing embryo.

Answer: J
 The placenta is the organ that forms during pregnancy to provide nutrients and oxygen to the developing fetus and remove waste products.

Answer: G
 The morula is a solid cluster of cells that forms early in development, before the blastocyst stage.

MATCHING Match Each Term with Its Corresponding Description or Definition