The Small, Closeable Openings in Leaves and Stems That Are

question 122

Short Answer

The small, closeable openings in leaves and stems that are used to regulate gas exchange are called _______.

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Definitions:

Sleep Stage

Phases of sleep characterized by specific brain waves and neurological activity, including REM and various stages of NREM sleep.

Sleepwalking

Sleepwalking, or somnambulism, is a sleep disorder where a person walks or performs other activities while not fully awake.

Slow-Wave Sleep

A deep phase of sleep characterized by slow brain waves, reduced heart rate, and low metabolic activity, crucial for physical and mental restoration.

Benzodiazepine Sedative

A class of psychoactive drugs used to induce sedation, reduce anxiety, and help with sleep by acting on the central nervous system.