Structural Organisation in AnimalsMedium
Question
Three types of muscles are given as $a,b$ and c . Identify the correct matching pair along with their location in human body:
[a]  |
[b] |
[c] |
|---|
Name of muscle/location
Options
A.[a] Skeletal – Biceps [b] Involuntary – Intestine [c] Smooth - Heart
B.[a] Involuntary - Nose tip [b] Skeletal – Bone [c] Cardiac - Heart
C.[a] Smooth – Toes [b] Skeletal – Legs [c] Cardiac - Heart
D.[a] Skeletal – Triceps [b] Smooth – Stomach [c] Cardiac - Heart
Solution
Sol. [Key Concept: Identification of muscle tissues]
Figure [a] shows skeletal muscle: striated fibres, as in triceps. Figure [b] shows smooth muscle: spindle shaped, nonstriated cells, as in the stomach wall. Figure [c] shows cardiac muscle: branched striated fibres with intercalated discs, found in the heart. Hence, option (4). Skeletal muscle nuclei are normally peripheral; the supplied sketches are schematic.
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