The immediate source of energy for muscle contraction is _______.
A) lactic acid
B) ATP
C) glycogen
D) oxygen
Correct Answer:
Verified
Q13: The _ muscle elevates the upper corners
Q14: The depletion of ATP results in weaker
Q15: Thin filaments, called _ filaments, consist of
Q16: The masseter muscle _.
A) rotates the arm
Q17: Each skeletal muscle is an organ made
Q19: The attachment of the muscle to the
Q20: Oxygen debt is paid back during the
Q21: Synergists are muscles that _.
A) relax when
Q22: _ are the basic units of muscle
Q23: The external intercostals are important in _.
A)
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