Examlex
For each of the following sentences, select the correct coordinating conjunction and punctuation for the blank. Joaquin performed his job ____________ he was laid off.
Yolk Sac
An early development structure in embryos, providing nutrition before the circulatory system and placenta are fully developed.
Umbilical Cord
The flexible tube connecting a fetus to the placenta, delivering nutrients and removing waste.
Blastocyst
An early stage in human embryonic development, a structure formed approximately 5 days after fertilization, consisting of an inner cell mass, a fluid-filled cavity, and an outer layer of cells.
Morula
is an early stage in embryonic development, a solid ball of cells resulting from the division of a fertilized ovum.
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Q32: Select the correct past tense form of