The main reason why the Supreme Court case Marbury v. Madison was significant is because B. it established the power of judicial review, since this allows the Supreme Court to check the legislature. This question is archived.
Water: Why We Need It. Hydration is important because the body is comprised mostly of water, and the proper balance between water and electrolytes in our bodies really determines how most of our systems function, including nerves and muscles, says Larry Kenney, PhD, a professor of physiology and kinesiology at Penn State.
Replacing electrolytes is essential to keep your body hydrated, to enhance performance, restore balance, and help prevent muscle cramps. In addition, electrolytes play an important part of the body processes that are essential for living, such as muscle function, heart function, and nerve reaction.