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echobush echobush
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9 years ago Edited: 9 years ago, echobush
a) Calcium-induced calcium release is the process by which extracellular Ca2+ triggers the release of stored Ca2+ from the sarcoplasmic reticulum.

b) The oxygen demand of cardiac muscle cells is high because they have many mitochondria.
   
c) Intercalated disks contain both desmosomes for firm attachment and gap junctions to allow communication.

d) Cardiac muscle cells must obey the all-or-none law of contraction.

e) Cardiac muscle cells rely on a sarcoplasmic reticulum for storage of Ca2+ ions.
Post Merge: 9 years ago

D
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#1
9 years ago
the answer is D
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9 years ago Edited: 9 years ago, brielong3823
D
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