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Sketch the curve with polar equation .
Fibers
Indigestible plant substances consisting mostly of cellulose, aiding in digestion and bowel health.
Sclereids
Thick-walled, often branched cells found in plants that provide support and deter herbivory.
Guard Cells
Pairs of cells surrounding stomata in plant leaves and stems, regulating gas exchange and water loss by controlling the opening and closing of stomata.
Epidermis
The outermost layer of cells covering an organism, particularly the surface epithelium of the skin or outer layer of leaves and other plant organs.
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