Identify the tissue shown in the diagram and match with its characteristics and its location.
Correct answer: D. Skeletal muscles show striations and are closely attached with the bones of the limbs
- A. Smooth muscles, show branching, found in the wall of the heart
- B. Cardiac muscles, unbranched muscles, found in the walls of the heart
- C. Unstriated muscles, tapering at both ends, attached with the bones of the ribs
- D. Skeletal muscles show striations and are closely attached with the bones of the limbs
Explanation
Locomotion (performed by limbs) in humans depends on the movements of muscle fibres. Skeletal muscles are attached to the bones by tendons and help in the movement of parts of the skeleton. These muscles are under the control of the conscious mind and are called voluntary muscles. Under the microscope, these muscles show transverse stripes and hence are designated as striated muscles.
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About Support and Movement
Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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