When comparing cardiac muscle cells and skeletal muscle cells,
A. both are voluntary.
B. action potentials are conducted from cell to cell only in cardiac muscle.
C. both possess intercalated discs.
D. the rate of action potential propagation is faster in cardiac muscle.
E. only skeletal muscle has a plateau phase in its contraction cycle.
Answer: B
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A(n) ________ gland branches repeatedly before reaching the glandular cells or secretory part.
A. tubular B. compound C. simple D. alveolar
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Answer the following statement true (T) or false (F)
Blood from capillaries on the superior surface of the foot drain into a(n)
A) plantar vein. B) dorsal venous arch. C) small saphenous vein. D) peroneal vein. E) iliac vein.