Biomedical electrode and wearable electrode

This biomedical electrode can be detachably attached to a garment and is provided with: an electrode that is in contact with a living body clothed in the garment and that acquires a biological signal emitted by the living body; and a locked section that is conductive, that is electrically connected with the electrode, that can be detachably locked to a conductive locking section provided to the garment, and that is electrically connected with the locking section when locked to the locking section.