The Disk of Our Galaxy Consists of

question 35

Multiple Choice

The disk of our galaxy consists of

• A)the nine known planets.
• B)only stars.
• C)stars, dust, and gas.
• D)quasars.
• E)only black holes.

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Definitions:

Pituitary

A small gland at the base of the brain that produces hormones influencing growth, metabolism, and reproductive functions.

Adrenal

Pertaining to the adrenal glands, which sit atop each kidney.

Pancreas

An organ that secretes insulin and pancreatic digestive juice.

Palpitations

The sensation that the heart is racing, pounding, fluttering, or skipping beats, often associated with anxiety, stress, exercise, or medical conditions.