In skeletal and cardiac muscles, relaxation occurs as ions are pumped back into the sarcoplasmic reticulum.
A) calcium
B) sodium
C) potassium
D) chloride
Correct Answer:
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Q25: What is the major disadvantage of an
Q26: muscle constricts arteries when blood pressure drops
Q27: Both smooth and cardiac muscle fibers
A) possess
Q28: Smooth muscle
A) is under voluntary control.
B) contracts
Q29: Which of these animals is correctly matched
Q31: An exoskeleton is characteristic of , whereas
Q32: In cardiac muscle
A) potassium is released from
Q33: Which of the following is TRUE of
Q34: Skeletal muscle produces force as the "walk"
Q35: A muscle fiber generates maximum contractile force
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