Middle ear peak sensitivity to frequencies between 1 kHz and 3 kHz. The movement of the ossicles may be stiffened by two muscles. The stapedius muscle, the smallest skeletal muscle in the body, connects to the stapes and is controlled by the facial nerve; the tensor tympani muscle connects to the base of the malleus and is under the control of the medial pterygoid nerve which is a branch of the mandibular nerve of the trigeminal nerve. These muscles contract in response to loud sounds, thereby reducing the transmission of sound to the inner ear. This is called the acoustic reflex. Of
Errors of the Human Body screening, Sheean himself said, "The film is about a breakdown in communication, both on the surface in the characters and internally with the cells." Errors of the Human Body Errors of the Human Body is a 2012 psychological thriller directed by Eron Sheean and starring Michael Eklund. Dr. Geoff Burton (Eklund), a brilliant genetics researcher, is invited to a lab in Dresden, only to discover a lethal virus is being created, which he may have unintentionally caused and be its first victim. This mystery is set against Dr. Burton trying to find redemption and peace from a past haunted by