Which of the following lists the stages or structures of prenatal development in the correct order?

A. Zygote, cleavage, morula, blastocyst, embryo, fetus
B. Zygote, morula, blastocyst, cleavage, embryo, fetus
C. Zygote, embryo, morula, blastocyst, cleavage, fetus
D. Embryo, zygote, blastocyst, cleavage, morula, fetus
E. Cleavage, zygote, morula, blastocyst, embryo, fetus


Answer: A

Anatomy & Physiology

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Indicate whether the statement is true or false

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Which muscle contracts when one smiles?

A. Frontalis B. Zygomaticus major C. Depressor anguli oris D. Orbicularis oris E. Buccinator

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Answer the following statements true (T) or false (F)

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Anatomy & Physiology