29. Which of the following distinguishes cardiac muscle from both smooth and skeletal muscles?
(A) Its cells contract.
(B) Its cells are striped.
(C)It generally cannot be contracted at will.
(D) It generally can be contracted at will.
(E)Its cells are branched.
詳解 (共 1 筆)
未解鎖
1. 題目解析 此題目要求我們找出一個特...