C, because plants don't have blood cells; they have veins/ vessels that transport necessary water and other nutrients to other cells. You're welcome!
The answer is C. Their circulatory system transport nutrients to cells.
Both animals and plants have systems for transporting essential nutrients, but they operate differently. Animals have blood that circulates through a complex system powered by the heart, while plants have a vascular system consisting of xylem and phloem that transports water and nutrients without a heart. Therefore, the correct answer to the student's question is C, as both systems transport nutrients to cells.
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