Exhale Oxygen.
Plants have lungs. They convert the atmospheric carbon dioxide into the sugars that create the plant's leaves, stalks, roots, and woody trunks. They exhale the excess carbon dioxide and release it together with oxygen. They exhale any excess carbon dioxide and release it together with oxygen. Additionally, plants decompose and release carbon into the atmosphere when they perish. Net primary productivity is the difference between the number of carbon plants take up and the amount they emit. Due to its capacity to make many bonds—up to four per atom—in a limitless number of intricate organic structures, carbon plays a crucial role in biology.
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