Which of the Following Statements About Salivary Secretion Is Untrue

question 25

Multiple Choice

which of the following statements about salivary secretion is untrue?

• A)saliva contains digestive enzymes.
• B)saliva has important antiseptic action.
• C)It is largely under hormonal control.
• D)none

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Definitions:

Zeitgebers

Environmental cues like light and temperature that regulate the biological clock of organisms, influencing sleep and wakefulness cycles.

Sunrise

The time of day when the upper limb of the Sun appears on the horizon in the morning.

Sunset

The time in the evening when the sun disappears below the horizon, marking the transition from day to night.

Suprachiasmatic Nucleus

is a small region of the brain located in the hypothalamus that acts as the primary circadian clock, regulating sleep-wake cycles and other circadian rhythms.