The Milky Way Galaxy Appears to Have a Spiral Structure

question 63

Multiple Choice

The Milky Way Galaxy appears to have a spiral structure with

• A) four separate major arms.
• B) a dozen loosely wound arms.
• C) one "arm" wound around the nucleus 4 times.
• D) two major arms wound twice around the nucleus.

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Definitions:

Fat Cells

Also known as adipocytes, these cells store energy in the form of fat and play a significant role in regulating metabolism and hormone balance.

CCK in the Blood

Refers to the presence of Cholecystokinin, a hormone that stimulates digestion of fats and proteins, in the bloodstream.

Blood Glucose Levels

The concentration of glucose (sugar) in an individual's blood, crucial for metabolic health.

Set Point

A theory suggesting that the body maintains its weight and body fat level with internal regulatory controls.