Answer: The physical body is not a part of creation and has nothing to do with the soul. You can do anything with your body, but the soul develops according to its own specific laws.
Question: What does it mean when it is written that the sparks of the soul fell into this world and dressed in bodies?
Answer: This world only means egoism. Therefore, the sparks of the soul fell not into this world and not into the bodies, but into egoism.
Our body and what we observe, see, and perceive with our five corporeal senses belongs to the animate level. Kabbalah says nothing about the animate level.
From the Kabbalah Lesson in Russian 1/14/18