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NEETZoologyLocomotion and Movement

What is myasthenia gravis?

Options

  1. AInflammation of joints due to accumulation of uric acid crystals
  2. BProgressive degeneration of skeletal muscle mostly due to genetic disorder
  3. CAuto immune disorder affecting neuromuscular junction leading to fatigue, weakening and paralysis of skeletal
  4. DRapid spasms (wild contractions) in muscle due to low Ca²⁺ in body fluid

Correct answer

C. Auto immune disorder affecting neuromuscular junction leading to fatigue, weakening and paralysis of skeletal

Step-by-step solution

.The human body consists of 206 bones in total. These bones are grouped into two main divisions - the axial skeleton and the appendicular skeleton. The skull is composed of two sets of bones, cranial and facial, that total to 22 bones.Each vertebra has a central hollow portion (neural canal) through which the spinal cord passes. The vertebral column is differentiated into cervical (7), thoracic (12), lumbar (5), sacral (1-fused) and coccygeal (1-fused) regions..The flat skull bones fuse end-to-end with the help of

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