It has been hypothesized, and some studies have supported the conjecture, that certain species of insects and birds are able to sense the direction of external magnetic fields.
I don't think there is any such notion where human beings are concerned.
Magnetism is significant in humans primarily through neurological and cardiac functions, particularly with techniques like Transcranial Magnetic Stimulation (TMS) for brain stimulation and magnetocardiography (MCG) for heart activity measurement. However, unlike certain animals, humans do not have a natural ability to sense magnetic fields. Overall, while magnetism is not crucial in human organs, it has applications in medicine.
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