This Is a Typical Number of Air Masses to Be

question 5

Multiple Choice

This is a typical number of air masses to be over the United States at one time.

• A)one
• B)five
• C)12
• D)22

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Definitions:

Neuroectoderm

Part of the ectoderm of an embryo giving rise to the brain and spinal cord.

Postganglionic Autonomic Neurons

Neurons that transmit signals from autonomic ganglia to target organs, involved in the regulation of involuntary bodily functions.

Posterior Pituitary

is the rear part of the pituitary gland; it stores and releases antidiuretic hormone (ADH) and oxytocin, which are produced in the hypothalamus.

Neural Crest Cells

Cells derived from the crests of the forming neural tube in the embryo; together with the mesoderm, they form the mesenchyme of the embryo; they give rise to part of the skull, the teeth, melanocytes, sensory neurons, and autonomic neurons.