Give reasons to justify the statement, “Cardiac muscle fibers are
similar, yet distinct in structure from the other two types of muscle
fibers.
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Answer:
REASON
Explanation:
Each cardiac muscle has a single centrally located nucleus.
Cardiac muscle cells are striated due to a similar arrangement of contractile proteins.
They mainly function in the pumping of oxygen-rich blood throughout the body to provide cells with vital nutrients.
So, the correct option is 'They are connected by intercalated discs, through which action potential spread to all cells in the heart'.
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