★ Muscle Anatomy Quiz
What two chemicals are necessary for muscle contraction to occur?
A. Niacin and Potassium
B. Calcium and ATP
C. Sodium and Potassium
D. Acetylcholine and Potassium
Select your answer:
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Medical Terminology Prefixes › Viewpoly
A. many, much
B. one, single
C. small, scant
D. around
Biochemistry › View
The smallest unit of a substance that retains all of its properties (smallest unit of matter)
A. atom
B. compound
C. molecule
D. cell