Start learning →

In nerve cells, an electric current is the flow of:

ACharged ions
BBone minerals
CRed blood cells
DSound waves
Answer & Solution
Correct answer: A. Charged ions
Ions moving in and out of neurons form the electric signals of nerves.
Practise this question with Quill — Olympiad (Class 7) →

Keep practising Electric current and its effects

Browse all Electric current and its effects questions for Olympiad (Class 7), or explore more Science topics.

Start a Electric current and its effects lesson →
Related questions