Which of the following ions are necessary in the chemical events muscle contraction?
A. Sodium and potassium
B. Sodium and magnesium
C. Calcium and magnesium
D. Sodium and calcium
Answer:C
Which of the following ions are necessary in the chemical events muscle contraction?
A. Sodium and potassium B. Sodium and magnesium C. Calcium and magnesium D. Sodium and calcium