Between the Seventh and Ninth Days, During the Period of the Zygote

question 121

Multiple Choice

Between the seventh and ninth days, during the period of the zygote,

• A) the one-celled zygote multiplies and forms a blastocyst.
• B) fertilization occurs.
• C) the face forms.
• D) implantation occurs.

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Definitions:

Toddler

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Blood Pressure

The force of circulating blood on the walls of the arteries, often measured as an indicator of cardiovascular health.

School-Age Child

A developmental stage referring to children who are attending elementary school, generally ages 6-12 years.

Health Problems

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