NEETBiologyStructural Organisation in AnimalsMCQ+4 / −1
Which one of the following is correct pairing of
a body part and like kind of muscle tissue that
moves it ?
- ABiceps of upper arm – smooth muscle fibres
- BIris – Involuntary smooth muscle
- CAbdominal wall – smooth muscle
- DHeart wall – Involuntary unstriated muscle
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Correct answer: B
The structure of the abdominal wall is similar in principle to the thoracic wall. There are three layers, an external, internal and innermost layer. The vessels and nerves lie between the internal and innermost layers. The abdomen can be divided into quadrants or nine abdominal regions.
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