Examlex
Which of the following means diffusing blood through a semipermeable membrane in order to remove toxic materials and maintain the acid-base balance?
Pitch
Refers to the perceived frequency of a sound, determining how "high" or "low" it sounds.
Middle Ear
The air-filled space behind the eardrum that contains the tiny auditory bones responsible for transmitting sound from the outer ear to the inner ear.
Hammer
A tool consisting of a weighted "head" fixed to a long handle, used for driving nails into, or breaking apart, materials.
Hertz
A unit of frequency in the International System of Units (SI), symbolized as Hz, representing one cycle per second.
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