Question

Explain how a clinical thermometer is used to measure human body temperature.

Answer 1

Clinical thermometers:

1. Clinical thermometers are meant for clinical purposes.
2. It is developed for measuring the human body temperature.
3. It is a long narrow glass tube with a bulb containing mercury at the end.
4. The normal human body temperature is 37˚C which can fluctuate between the ranges of 35˚C to 42˚C.
5. Hence, the clinical thermometers have a range of 35˚C to 42˚C.
6. The level of mercury tells our body temperature in ˚C.
7. Since mercury is a toxic element, thus these thermometers have been replaced by digital thermometers nowadays.