Examlex
The trachea, due to its location in the body, is considered to be part of both the upper and lower respiratory tract.
Babbling
A stage in child language development characterized by the production of repetitive syllables and sounds, often seen as a precursor to language acquisition.
Human Auditory Threshold
The minimum sound level at which an individual can hear a frequency, varying across different frequencies and among individuals.
Noise Pollution
Unwanted or harmful outdoor sound created by human activities, such as traffic, industrial operations, and urban development, which can have negative effects on human health and the environment.
Whale Songs
The complex and often long sequences of sounds produced by whales, used for communication and mating purposes among other functions.
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