A-LevelBiologyControl and coordinationMay/June 2020Paper 4 Q611 Marks
Thyrotoxic myopathy (TM) is a neuromuscular disorder caused by overproduction of the thyroid hormone thyroxine. One of the main symptoms of TM is muscle fatigue. [Figure 6.1] outlines the effects of overproduction of thyroxine on striated muscle.
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