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.
Question: Can You Touch Mercury? Mercury is the only metal that is liquid at room temperature. Although it has been removed from most thermometers, you can still find it in thermostats and fluorescent lights. Do you know what happens if you touch mercury or whether it is safe? Here's a look at what to expect and the health hazards of touching liquid mercury. Also, find out what to do in the event of a spill. Answer: It's never safe to touch mercury. You'll hear older people tell you how it used to be common to use liquid mercury in labs and poke at it with fingers and pencils.