Both smooth and cardiac muscle fibers
A) possess intercalated discs.
B) contain a single nucleus.
C) have multiple nuclei.
D) are striated.
Correct Answer:
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Q22: Cnidarians have what type of skeleton?
A) Exoskeleton
B)
Q23: Which of the following would be composed
Q24: Fast- twitch muscle fibers, such as those
Q25: What is the major disadvantage of an
Q26: muscle constricts arteries when blood pressure drops
Q28: Smooth muscle
A) is under voluntary control.
B) contracts
Q29: Which of these animals is correctly matched
Q30: In skeletal and cardiac muscles, relaxation occurs
Q31: An exoskeleton is characteristic of , whereas
Q32: In cardiac muscle
A) potassium is released from
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