In plants, the structures that play roles similar to the arteries and veins of animals are the

In plants, the structures that play roles similar to the arteries and veins of animals are the "xylem and phloem". Xylem and phloem are two types of specialized plant tissues that transport water, nutrients, and other substances throughout the plant. The xylem is responsible for transporting water and minerals from the roots to the leaves of the plant, while the phloem transports the products of photosynthesis, such as sugars, from the leaves to other parts of the plant. The xylem and phloem tissues are often arranged together in a structure called a vascular bundle, which can be thought of as similar to blood vessels in animals. Therefore, xylem and phloem are the structures that play roles similar to the arteries and veins of animals in plants.