Which is the term for the basic contractile unit of any muscle?任何肌肉的基本收缩单位的术语是什么？
A. Sarcoplasm.
B. Sarcolemma.
C. Myofibril.
D. Sarcomere.
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Which of the following properties is only found in muscle tissue?以下属性仅在肌肉组织中发现？
A. Excitability.
B. Contractibility.
C. Extensibility.
D. Elasticity.
Which of the following properties means the muscle tissue returns to its original shape and length?以下哪个属性意味着肌肉组织恢复到原来的形状和长度？
A. Excitability.
B. Contractibility.
C. Extensibility.
D. Elasticity.
Monocytes are:单核细胞是：
A. phagocytic formed elements that are similar to free macrophages in tissues.
B. white blood cells that are found in glands.
C. formed elements that promote inflammation.
D. responsible for the transportation of gases.
E. responsible for sealing damaged or leaking vessels.
A red blood cell:红细胞：
A. is a fragment of precursor cells.
B. is multinucleated.
C. contains granules in their cytoplasm.
D. lacks a nucleus.
E. can move into tissue spaces from intact blood vessels.
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