And I think it's really beautiful how nature has distributed control to really give a lot of responsibility to the spinal cord so that the upper part of the brain doesn't need to worry about every muscle.
とても素晴らしいことに 自然は脊髄に 制御の多くを任せており 脳の上部が個々の筋肉の制御に 煩わせられることがありません