Which pair of minerals play a key role in heart function, muscle function, and nerve impulse?

a. sodium and calcium
b. calcium and potassium
c. iron and calcium
d. sodium and potassium

Sodium and potassium

Explanation: The process by which the sodium and potassium ions moves across the membrane to generate the membrane potential which helps in the signal transduction.

This process is important for a variety of reasons, the movement of ions across membranes generates membrane potential which helps in the transmitting the signals for the relaxation of the muscles which includes heart muscle and muscles of various parts pf the body.

It maintains a balance in the body and if there is any problem in the muscles or cardiac contractions sodium potassium pump is responsible for it.

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explanation:

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.