If you were to cut off your own ear, the primary body system affected would be the integumentary system, which includes the skin and its appendages (hair, nails, glands). The ear is composed of skin, cartilage, and various tissues, so the injury would involve damage to these components.
Additionally, the nervous system would be affected, as the ear contains structures vital for hearing and balance. Cutting off the ear would potentially damage nerves associated with these functions, leading to sensory loss.
Lastly, the skeletal system may also be indirectly impacted, as the ear's structure relies on support from surrounding bones, including the temporal bone of the skull.
Overall, the integumentary system is the primary system directly affected, but there would be repercussions for the nervous and skeletal systems as well.
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