Prepositions, Conjunctions, Helping Verbs, and So Forth Are Known as the ____

question 74

Multiple Choice

 Prepositions, conjunctions, helping verbs, and so forth are known as the ____ of grammatical forms.

• A) fluent class
• B) fixed class
• C) open class
• D) closed class

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Definitions:

Blastocyst

A thin-walled, fluid-filled sphere containing an inner mass of cells from which the embryo will develop; is implanted into the uterine wall during the germinal period.

Blastocyst

An early stage in human embryonic development, a hollow sphere of cells formed after several days of cell division following fertilization.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby while removing waste.

Umbilical Cord

A flexible cord-like structure connecting a fetus to the placenta, delivering nutrients and removing waste during pregnancy.