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What is NOT a major role of calcium in the body's fluids?

a) Regulating the transport of ions across cell membranes.
b) Helping maintain normal blood glucose.
c) Participating in blood clotting.
d) Facilitating muscle contraction

1 Answer

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Final answer:

Calcium does not help maintain normal blood glucose levels; its roles include regulating ion transport, blood clotting, and muscle contraction, as well as nerve impulse transmission.

Step-by-step explanation:

The major role of calcium that is NOT reflected in the body's fluids is b) Helping maintain normal blood glucose. Calcium plays several crucial roles in the body, including:

  • Regulating the transport of ions across cell membranes.
  • Participating in blood clotting.
  • Facilitating muscle contraction.
  • Nerve impulse transmission.

These functions are vital to maintaining proper physiological functions, such as blood coagulation and the regulation of heart rate and strength of contraction, among others. However, calcium does not play a direct role in maintaining normal blood glucose levels; that is a function typically associated with insulin and other hormones within the endocrine system.

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