Skeletal muscle structure. Different types of muscle tissue. An organism's muscle tissue is composed of muscle cells. Multi-unit smooth muscle cells operate independently and single-unit, or visceral, smooth muscle cells operate together as a unit.Muscle mass can be gained artificially from injections of performance-enhancing drugs and hormones.keletal muscle structure. Different types of muscle tissue. An organism's muscle tissue is composed of muscle cells. Multi-unit smooth muscle cells operate independently and single-unit, or visceral, smooth muscle cells operate together as a unit.
The inner ear contains the sensory organs for hearing and balance. The cochlea is the hearing part of the inner ear. The semicircular canals in the inner ear are part of our balance system. The cochlea is a bony structure shaped like a snail and filled with two fluids (endolymph and perilymph).
An employee working in an office environment had hearing loss due to tinnitus and hyperacusis. She could not be around noise in the office environment for long periods of time. The individual's employer provided her with a private room to work in alone. cochlear implant is an assistive device that may be beneficial for some people with hearing loss. A cochlear implant is a device that is surgically implanted into the cochlea and aids the individual in hearing sounds through a magnet attached to a small body-worn computer.