Description: ? The ear includes the outer ear, the middle ear and the inner ear. The hearing receptor and the sensory sensor are in the inner ear, so the ear is also referred to as a listener. Some people also gave the outer ear and the middle ear as attachments of the listener. The outer ear includes the auricle and the outer ear canal. ? The model consists of five parts: the outer ear, the middle ear, the sacral rock and the inner ear. ? The model shows the auricle, outer ear canal, drum raw cavity of the middle ear, eardrum and earlock, Eustachian tube and sacral rock as well as inner ear lost. Size: 4x magnification, 21 cm high, 33 cm wide, 23 cm thick Material: Environmentally friendly PVC material, environmentally friendly color, computer color adjustment, high quality handmade paint Note: If you have problems and questions, you can send us an e-mail We will give our best to reach your satisfaction within 24 hours.? Applicable to schools, hospitals, can be used as a mediation of knowledge about the physical health of the visual aids to deepen the understanding of the structure of the human nasal cavity. ? Excellent educational tool for student teacher professional use, preferred selection of experts. ? The model describes the anatomy of the pharynx and is a rare medical model for the department for neck nose ears healing. ? high-quality prototype, handmade made of solid, unbreakable, high-quality, environmentally friendly PVC. ? Take a 1-1 design in life size, the color matching of the computer and the hand-painted surface make the model more realistic.