Question

describe the structure of skeletal muscle for 8 marks I'll mark u as brainalist ....pls answer it fast​

Answer 1

Each skeletal muscle fiber is a single cylindrical muscle cell. An individual skeletal muscle may be made up of hundreds, or even thousands, of muscle fibers bundled together and wrapped in a connective tissue covering. Each muscle is surrounded by a connective tissue sheath called the epimysium.

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Answer 2

Structure of vertebrate skeletal muscle:

• Each skeletal muscle fibre is a single cylindrical muscle cell.
• An individual skeletal muscle may be made up of hundreds, or even thousands, of muscle fibres, bundled together and wrapped in a connective tissue covering.
• Each muscle is surrounded by a connective tissue sheath called the epimysium.

The Sliding filament model-

• The sliding filament theory of muscle contraction was developed to fit the differences observed in the named bands on the sarcomere at different degrees of muscle contraction and relaxation.
• The mechanism of contraction is the binding of myosin to actin, forming cross-bridges that generate filament movement.