Cardiac Muscle Cells

question 41

Multiple Choice

Cardiac muscle cells

• A) do not contract by a sliding filament mechanism.
• B) are similar to those of smooth muscle in being nonstriated.
• C) have fewer mitochondria than skeletal muscle cells do.
• D) possess numerous gap junctions on their sides, favoring rapid spread of excitation.
• E) have intercalated disks with tight junctions at their branching ends.

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Definitions:

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