During the Fourth Week of Prenatal Development, the Urogenital System

question 74

Multiple Choice

During the fourth week of prenatal development, the urogenital system becomes apparent, and ________ emerge.

• A) fingernails and toenails
• B) hair and eyelashes
• C) arm and leg buds
• D) eyes and eyelids

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Definitions:

Neurological Gate

A theoretical mechanism in the nervous system thought to control the transmission of pain signals to the brain.

Taste Buds

Sensory organs located on the tongue, allowing for the perception of taste, including sweet, sour, salty, bitter, and umami.

Taste Sensation

The experience or perception of flavor derived from the combination of a food's taste, smell, and texture.

Receptor Cells

Specialized cells that respond to specific types of energy (e.g., light, sound) and convert it into neural activity.