The role of xylem is to transport water and some nutrients from roots to shoots and leaves.
Answer:
I believe the answer your looking for is B.
Explanation:
A similarity between the nervous system and the hormone secreting system in humans is that they both <span>help to maintain homeostasis.
Homeostasis is <span>the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.</span>
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