The ear consists of three parts: inner, middle, outer ear Some vertebrates lack middle and outer ear (Chondrichthyes, Osteichthyes). Middle ear appeared in amphibians. Reptiles, birds, mammals have ...

We can’t hear all levels of sounds ... We detect sounds because inside our ears we have parts that work together to turn sound waves into a signal that is sent to our brain.

The bone that surrounds the ear is called the temporal bone. The ear canal, middle ear and inner ear are all within the temporal bone. The temporal bone is part of the skull above the ear. One part of ...