Answer:
The nervous system interacts with other systems becuase your endocrine system works closely with the brain to control hormones and enzymes. Your digestive and excretory systems work with the brain in both concious and unconscious ways. HOPE I HELPED
The Ectoderm <span>is a layer of the embryo, which will become the nervous system and brain, sensory receptors, and skin parts.</span>
The correct answer is e.glycogen; breaks down into readily usable carbohydrates.
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Animals store some glucose (smallest molecule into which a carbohydrate is broken down) in the cells of the liver. The energy of glucose is stored as glycogen. Glycogen is a very large, multi-branched polymer of glucose residues that can be broken down when energy is needed for the cells.</span>