The Third Stage of Prenatal Development,which Lasts from Two Months

question 199

Multiple Choice

The third stage of prenatal development,which lasts from two months through birth,is referred to as the

• A) postgerminal stage.
• B) embryonic stage.
• C) fetal stage.
• D) postnatal stage.

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Definitions:

Acid

A chemical substance that donates protons or accepts electrons and has a sour taste.

Water

A ubiquitous chemical substance with the formula H2O, essential for all known forms of life and used as a solvent among its numerous roles.

Electrode

A conductor through which electricity enters or leaves an object, substance, or region, commonly used in batteries and electrolysis.

Voltage

The electrical potential difference between two points in a circuit, measured in volts.