45.Which muscle tissue is controlled involuntarily and has no striations?
(A) Smooth muscles;
(B) Cardiac muscles;
(C) Skeletal muscles;
(D) Either skeletal or cardiac muscles.
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統計: A(5), B(2), C(0), D(2), E(0) #3325451
統計: A(5), B(2), C(0), D(2), E(0) #3325451