Question

what is spinal muscular atropy​

Answer 1

Answer:

Spinal muscular atrophy (SMA) is a group of hereditary diseases that progressively destroys motor neurons—nerve cells in the brain stem and spinal cord that control essential skeletal muscle activity such as speaking, walking, breathing, and swallowing, leading to muscle weakness and atrophy.

Answer 2

Answer:

Here's your answer :

Spinal muscular atrophy (SMA) is a group of hereditary diseases that progressively destroys motor neurons nerve cells in the brain stem and spinal cord that control essential skeletal muscle activity such as speaking, walking, breathing, and swallowing, leading to muscle weakness and atrophy.

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