Answer:Myelin is a lipid-rich (fatty) substance that surrounds nerve cell axons (the nervous system's "wires") to insulate them and increase the rate at which electrical impulses (called action potentials) are passed along the axon.
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Answer:
The <em><u>Whale Shark</u></em> is the largest fish in the world. On the other hand, the largest mammal is the Blue Whale (not a fish). Hope this helps!
Answer:
Amount of resources within the region of that population
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