The Early Embryonic Stage That Is a Solid Sphere of Cells

question 75

Multiple Choice

The early embryonic stage that is a solid sphere of cells is the:

• A)morula, and the cells are all very similar
• B)dermoblast, and the cells are all very similar
• C)morula, and the cells are in three germ layers
• D)dermoblast, and the cells are in three germ layers

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Definitions:

Autonomic Nervous System

A part of the peripheral nervous system that controls involuntary bodily functions, including heart rate, digestion, and respiratory rate.

Skeletal Muscles

Muscles attached to bones that are responsible for voluntary movements of the body.

Sympathetic Nervous System

A part of the autonomic nervous system that activates the body's fight-or-flight response.

Heart Rate

The number of heartbeats per unit of time, typically expressed in beats per minute (bpm), indicating cardiovascular activity.