Fluid Movement in the Cochlea Causes

question 247

Multiple Choice

Fluid movement in the cochlea causes

• A)displacement of the round window, which dissipates pressure
• B)deflection of the cupula
• C)the hairs of the receptor cells of the organ of Corti to be bent
• D)both a and c
• E)none of the above

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Definitions:

Guard Cells

Specialized cells in the epidermis of leaves and stems that control the opening and closing of stomata to regulate gas exchange.

Stomata

Small openings between two guard cells on the underside of leaf epidermis, through which gases pass.

Gas Exchange

The biological process by which organisms exchange oxygen and carbon dioxide with their environment, critical for respiration.

Stomata

Tiny openings on the surfaces of leaves and stems that allow for gas exchange.