The triad, seen as structure D, is composed of



A) the T tubules and the myofibrils.

B) actin and myosin.

C) troponin and tropomyosin.

D) the cisterna of the sarcoplasmic reticulum along with the T tubules.

E) the cisterna of the sarcoplasmic reticulum and the myofilaments.


D) the cisterna of the sarcoplasmic reticulum along with the T tubules.

Anatomy & Physiology

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