What is the role of calcium in muscle contraction?

Discussion Questions – Chapter 1

Directions: In one, fully-developed paragraph, answer any one (1) question only.
What is the role of calcium in muscle contraction?
What are the basic characteristics that differ between type I and type II muscle fibers?
Describe the sliding filament theory. How do muscle fibers shorten?
Differentiate among, and give examples of, concentric, static (isometric), and eccentric contractions.
Original post must have at least 200 words and each reply to two classmates at least 100 words (2 replies= 200 words)

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