問題詳情
40. Which of the following distinguishes cardiac muscle from both smooth and skeletal muscle?
(A) Its cells contract.
(B) Its cells are branched.
(C) Its cells are striped.
(D) It generally cannot be contracted at will.
(E) It generally can be contracted at will.
(A) Its cells contract.
(B) Its cells are branched.
(C) Its cells are striped.
(D) It generally cannot be contracted at will.
(E) It generally can be contracted at will.
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