Sounds with Frequencies Above the Range of Human Hearing Are

question 71

Multiple Choice

 Sounds with frequencies above the range of human hearing are referred to as

• A) fundamental frequencies.
• B) pure tones.
• C) ultrasound.
• D) infrasound.

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Definitions:

Adrenal Glands

Small, triangular glands located on top of both kidneys that produce hormones such as adrenaline and cortisol, which help regulate metabolism, immune system, and stress responses.

Pituitary Gland

A small endocrine gland located at the base of the brain that produces hormones influencing various bodily functions.

Myelin Sheath

A fatty layer that encases and insulates axons of many neurons, facilitating the rapid transmission of neural impulses.

Axon

A long, slender projection of a neuron that transmits electrical impulses away from the neuron's cell body to other neurons or to muscles or glands.