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1 vote
1 vote
Which element is important in directly triggering contraction? a. sodium (Na') b. calcium (Ca.
{ }^(++)) cotassium (
\left.\mathrm{K}^(\wedge)\right) d. chloride (Cl)

User Anthony Pegram
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1 Answer

24 votes
24 votes

Answer:A

Step-by-step explanation:

User AndacAydin
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