The structures responsible for distributing excitation to the contractile cells are

A) contractile cells.
B) conducting cells.
C) intercalated cells.
D) pacemaker cells.
E) intermodal cells.


B

Anatomy & Physiology

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Answer the following statement true (T) or false (F)

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Which bone is not part of the axial skeleton?

A. Frontal bone B. Clavicle C. Sacrum D. Malleus E. Atlas

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The term lordosis refers to

A. the anterior convexity in the lumbar region that a child develops when he or she walks upright B. an exaggeration of the secondary curvature that develops in the lumbar region C. a and b D. Neither a nor b

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The fetal shortcut from the right atrium to the left atrium is the

A. ductus arteriosus. B. foramen ovale. C. umbilical artery. D. ductus venosus. E. umbilical vein.

Anatomy & Physiology