At the Blastula Stage, the Embryo Consists Of

question 110

Multiple Choice

At the blastula stage, the embryo consists of:

• A)a solid mass of cells, each the size of the zygote.
• B)three differentiated layers of cells.
• C)a hollow ball of cells.
• D)cells that have different DNA content.
• E)a cluster of cells that are much larger than normal cells.

---

Definitions:

Autonomic Nervous System

The autonomic nervous system is a part of the peripheral nervous system that controls involuntary bodily functions, such as heart rate, digestion, and respiratory rate.

Involuntary Muscles

Muscles that operate without conscious control, such as those in the heart and digestive system.

Somatic

Relating to or affecting the body, especially as distinguished from the mind or spirit.

Pituitary

A pea-sized gland at the base of the brain that is crucial for regulating vital body functions and general wellbeing through the secretion of hormones.