Sense Organs

1. A common abnormality in human vision that makes it impossible to differentiate colors accurately. One type of color blindness results in the inability to distinguish red from green.

Daltonism

Hypertropic

Hemetropic

Traditionally, there are five senses: sight, smell, taste, touch, and hearing. Each of the senses consists of specialized cells that have receptors for specific stimuli. These cells have links to the nervous system and thus to the brain. Sensing is done at primitive levels in the cells and integrated into... see moresensations in the nervous system. Sight is probably the most developed sense in humans, followed closely by hearing. see less

2. Functions as levers, gearing down the motion of the tympanic membrane, and passing the vibrations on to the cochlea.

Tapes

Incus

Ossicles

3.
a tongue with numerous furrows or grooves on the dorsal surface, often radiating from a groove on the midline; it is sometimes a familial condition.

Geographic tongue

Fissured tongue

Coated tongue

4. The precise awareness of muscle and joint movement that allows us to coordinate our muscles when we walk, talk, and use our hands. It is the sense that enables us to touch the tip of our nose with our eyes closed or to know which part of the body we should scratch when we itch.

Synesthesia.

Anesthesia

Kinesthesia

5. The inner ear has chambers filled with a viscous fluid and small particles containing calcium carbonate.

Otoliths

Malleus

Incus