The ion helpful for controlling heart beating and muscle contraction is:

M g^{2 +}

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N a^{+}

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K^{+}

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C a^{2 +}

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Solution

The correct option is D $C a^{2 +}$
${C a}^{2 +}$ is the ion helpful for controlling heart beat and muscle contraction.

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Similar questions

C a^{2 +}

Match the following:

Column I	Column II
i. Fibrous pericardium	a. Decreases the friction created during beating of heart
ii. Visceral pericardium	b. Anchors the heart
iii. Pericardial fluid	c. Helps in contraction of heart
iv. Myocardium	d. Protects the cardiac muscle

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