The Blastocyst Becomes an Embryo About ________ Days After Fertilization

question 24

Multiple Choice

The blastocyst becomes an embryo about ________ days after fertilization.

• A)2
• B)7
• C)14
• D)42

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for quick action in emergencies; "fight or flight" response.

Parasympathetic Nervous System

A division of the autonomic nervous system responsible for conserving energy and promoting a state of calm and rest in the body.

Glial Cells

Non-neuronal cells in the central nervous system that support, protect, and provide a supportive framework for neurons.

Brain's Cells

Cells in the brain, including neurons that transmit nerve impulses and glial cells that support and protect neurons.