The amoeba is made of one cell.
How do nerve<span> impulses </span>cause muscle<span> contraction? Skeletal </span>muscle<span> is under voluntary control. </span>Nerve<span> impulses that originate in the central </span>nervous system cause muscles to contract<span>. Both neurons and </span>muscle<span> tissue conduct electrical current by moving ions across cellular membranes. </span>
Answer:
A
Explanation:
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