Examlex
Identify the following terms.
-the Irrawaddy, the Salween, the Chao Phraya, and the Mekong
Isometric Contractions
Isometric contractions involve the muscle generating tension without changing its length, often used in strength training exercises.
Motor Units
A single motor neuron and all the muscle fibers it innervates, functioning as the basic functional unit in muscle contraction.
Muscle Twitches
Involuntary, fine movements of a small area of muscle, often caused by stress, fatigue, or mineral imbalances.
All-Or-None Principle
When a stimulus is applied to a cell, an action potential is either produced or not. In muscle cells, the cell either contracts to the maximum extent possible (for a given condition) or does not contract.
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