Final answer:
Plants are a source of fiber which cannot be digested by the human body but supports digestive health and prevents constipation.
Step-by-step explanation:
Plants are a source of fiber. Fiber is a type of carbohydrate that is found in the cell walls of plant-based foods, such as fruits, vegetables, whole grains, and legumes. It cannot be digested by the human body, but it plays an important role in supporting digestive health and preventing constipation.
Learn more about Source of Fiber