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| 1. |
What are spongy parenchyma |
| Answer» A layer of cells in the interior of leaves, consisting of loosely arranged, irregularly shaped cells that have chloroplasts. The spongy parenchyma has many spaces between cells to facilitate the circulation of air and the exchange of gases. It lies just below the\xa0palisade layer. Spongy tissue is a type of tissue found both in plants and animals. In plants, it is part of the mesophyll, where it forms a layer next to the palisade cells in the\xa0leaf. The spongy mesophyll\'s function is to allow for the interchange of\xa0gases\xa0(CO2) that are needed for\xa0photosynthesis. | |