On the 1-To-10-Billion Scale,about How Far Is It to the Nearest

question 43

Multiple Choice

On the 1-to-10-billion scale,about how far is it to the nearest stars besides the Sun?

• A)4 kilometers
• B)400 kilometers
• C)1,000 kilometers
• D)4,400 kilometers
• E)10,000 kilometers

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Definitions:

Sympathetic Nervous System

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

Hypothalamic-Pituitary-Adrenal

A major part of the neuroendocrine system that controls reactions to stress and regulates many body processes including digestion, immunity, mood, sexuality, and energy usage.

Autonomic Stress Response

The body's automatic reaction to stress, involving the sympathetic nervous system and resulting in physiological changes such as increased heart rate and blood pressure.

Posttraumatic Stress Disorder

A psychiatric disorder caused by encountering or observing a horrifying incident, marked by recurring flashbacks, nightmares, and heightened anxiety.