Following chemical changes take place during contraction in the anaerobic and aerobic phases in human body. 1. Glycolysis and Oxidative Breakdown: This process involves many separate enzymes and different intermediates. The end products are pyruvic or lactic acid. The first step in the liberation of energy for contraction is the breakdown of glycogen in the […]
Processes of Chemical Changes in Muscles | Humans | Biology
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Changes Found in Muscular Contraction: 3 Changes | Humans | Biology
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The following changes are found to accompany any muscular contraction: 1. Mechanical Changes 2. Thermal Changes 3. Electrical Changes. 1. Mechanical Changes: During, contraction, the muscle fibre shortens in length, increases in thickness, but the total volume remains same (or slightly increases). The muscular contraction may be isometric when the length of the muscle fibres […]
Characteristics of Skeletal, Smooth & Cardiac Muscles | Humans | Biology
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In this article we will discuss about the characteristics of skeletal, smooth and cardiac muscles of human body. Characteristics of Skeletal Muscle: Histology: 1. Size and Shape: Cylindrical; 1-40 mm long, 10 to 100 μ in diameter. 2. Striations: Transverse, longitudinal. 3. Sarcolemma: Present and complete. 4. Nucleus: Multiple, just under the Sarcolemma. 5. Sarcotubular […]
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