Which one is required for muscle contraction and nerve impulse transmission ?

Options

A. `Na^(+)`
B. `K^(+)`
C. `Ca^(++)` and `Mg^(++)` ions
D. None of these

Answer

C

Explanation

`Ca^(++)` is a essential element for the contraction of muscles because release of `Ca^(++)` ions from sarcoplasmic reticulum trigger the muscle contraction process