SENSORY ORGANS ANATOMY. 1  Sensory organs are very highly developed and specialized organs that are an extension of the central nervous system, with a sole function to take in information and relate it to the brain. The sensory neurons are highly adapted to detect changes of both external and internal changes in the environment and report these changes to the brain.
If you break a mercury thermometer or light bulb, a small amount of liquid mercury may spill out. Liquid mercury can separate into small beads, which can roll some distance away. The mercury may also evaporate into vapour. However, this small amount of mercury is extremely unlikely to cause problems for your health.
Facts About Mercury. Mercury is an element that has been historically used to manufacture chemicals or appliances (such as thermometers and light bulbs). But with increased industrialization came increased mercury emissions that poison our air and water, causing a ripple of ill health effects.ercury poisoning is also a possible health risk to those who consume mercury-laden fish. Immediate symptoms of mercury poisoning include: 1  Impairment of peripheral vision. 2  A âpins and needlesâ sensation in the hands, feet and around the mouth. 3  Lack of coordination. 4  Impairment of speech, hearing and walking.