If You Were Observing Two Elephants Separated by a Distance

question 28

Multiple Choice

If you were observing two elephants separated by a distance of 4 miles, could the sensory receptors of your ear receive signals passing between them?

• A) Yes. Human ears have sound reception over the same range of frequencies as elephants.
• B) Yes. The organ of Corti in humans is more highly evolved than the comparable organ in elephants.
• C) No. Elephants have a much wider range of high-frequency hearing.
• D) No. Human ears cannot hear sounds with frequencies below 20 Hz.

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Definitions:

Dendrites

The branched projections from the neuron's cell body that receive neural impulses from other neurons and transmit them towards the cell body.

Sulci

Grooves or furrows on the surface of the brain.

Brain Matter

Tissue making up the brain, categorized into gray matter (neuron cell bodies and dendrites) and white matter (myelinated axon tracts).

Neuroglial Cells

Specialized cells in the nervous system that provide support, protection, and nutrition to neurons, ensuring their proper function.