1. ALS - Lou Gehrig
... destroys motor neurons. These motor neurons are the components of the nervous system that connect the brain with the skeletal muscles. Skeletal muscles are involved with voluntary movements, such as walking and talking. The motor neurons transmit the command to move from the brain to the skeletal muscles, which respond by contracting. Once a motor neuron degenerates completely, the muscle that it ... impulses from the brain. Approximately 60% of ALS patients experience muscle weakness and stiffness as the initial symptom. Usually the first muscles affected are those in the arms and legs...
- Word Count: 1394
- Approx Pages: 6
- Grade Level: High School