Gloria Is Working with a Sound Generator

question 4

Multiple Choice

Gloria is working with a sound generator. If she decreases the amplitude of the sound waves being generated, what effect will it have?

• A) The pitch will get higher.
• B) The pitch will get lower.
• C) The sound will get louder.
• D) The sound will get quieter.

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Definitions:

Innate Immunity

The initial protective barrier in the immune system, made up of physical, chemical, and cellular mechanisms against pathogens, which exist naturally from birth.

Capillaries

Tiny blood vessels that connect arteries and veins, facilitating the exchange of water, oxygen, carbon dioxide, and other substances between blood and tissues.

Arterioles

Small branches of arteries leading into capillaries, responsible for controlling blood flow and pressure.

Phagocytic White Blood Cells

White blood cells that protect the body by ingesting harmful foreign particles, bacteria, and dead or dying cells.