If at a Concert, a Wind Blows Directly from the Orchestra

question 53

Multiple Choice

If at a concert, a wind blows directly from the orchestra toward you, the frequency of the sound you hear will be

• A)decreased.
• B)increased.
• C)neither decreased nor increased.

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Definitions:

Subarachnoid Space

The area between the arachnoid mater and pia mater, filled with cerebrospinal fluid, which acts as a protective cushion for the brain and spinal cord.

Ventricles

Lower chambers of the heart that receive blood from the atria and pump it into the arteries, or cavities within the brain that produce cerebrospinal fluid.

Medulla Oblongata

The lower portion of the brainstem, which controls autonomic functions such as breathing, heart rate, and digestion.

Brainstem

The lower extension of the brain where it connects to the spinal cord, responsible for controlling many basic life functions such as breathing and heart rate.