(B) The correct answer is $B$. Sodium ions $(Na^+)$ play a crucial role in the generation and conduction of action potentials in cardiac muscle cells.

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(B) The correct answer is $B$. Sodium ions $(Na^+)$ play a crucial role in the generation and conduction of action potentials in cardiac muscle cells. They are essential for initiating and maintaining the contraction of the heart muscle.

Class 11 Biology Body Fluids and Circulation Structure and function of heart

Medium

Which of the following minerals is responsible for regulating your heartbeats?

A
Sulphur
B
Sodium
C
Potassium
D
Iron

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Class 11 Questions

Class 11

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Body Fluids and Circulation

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Structure and function of heart

Which of the following carries oxygenated blood?

Medium

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Who performed the first heart transplant?

Easy

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During systole of the ventricle:

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If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional,what will be the immediate effect?

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What are Purkinje fibers?

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Which of the following minerals is responsible for regulating your heartbeats?

Similar Questions

Which of the following carries oxygenated blood?

Who performed the first heart transplant?

During systole of the ventricle:

If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional,what will be the immediate effect?

What are Purkinje fibers?

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