A) unstriped, striped
B) striped, cardiac
C) unstriped, cardiac muscle
D) unstriped, striated and cardiac
Correct Answer: D
Solution :
Muscle is one of those two tissues of animal body, which has the capability to respond to a stimulus, ie, irritability. The word irritability includes two basic phenomena in it, ie, response to stimulus and conductivity. On the basis of gross morphological features the muscles are classified into the smooth skeletal and cardiac muscles. [a] Smooth or Unstriped muscle It is made up of spindle shaped cells, collected into bundles and held together by a cementing substance. It is present in alimentary canal, urinary bladder, spleen etc. [b] Skeletal or Striped muscle The skeletal muscle fibres are multinucleated, cylindrical structures. These muscles are found to be attached with the bones and tendons etc. [c] Cardiac muscle-These are made up of multinucleated fibre, arranged in a syncitial fashion but do not appear to be fused with each other. These muscles are found only in the heart.
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