HORTICULTURE

Detailed explanation-1: -It is made up of thin-walled cells.

Detailed explanation-2: -The pith cavity is in the center of the stems of some vascular plants. Similar to the cortex, it is ground tissue composed of parenchyma cells.

Detailed explanation-3: -3.1 Parenchyma. Thin-walled, isodiametric parenchyma cells occupy the bulk of the cortex, the area between the epidermis and the vascular tissues, and the pith, the area to the inside of the vascular tissues, of stems and roots.

Detailed explanation-4: -The cortex often develops into a type of tissue called aerenchyma, which contains air spaces produced by separation, tearing, or dissolution of the cortex cell walls.