Common sense about body temperature
The comparison of different measurement methods.
The measured values are different if we use different
measurement methods. The WHO provides normal
human body temperature reference values, please
see below table about the specific temperature dif-
ference.
The changes in human body temperature
Human belongs to constant temperature animals , the
body temperature is basically constant, but it is not
totally changeless, the human body temperature is
constantly changing in a day, the details as follows:
At night - Lowest
Body temperature is lowest because of sleep and
decreasing activity.(below 37 °C)
In the morning - Higher
From warm bed to the lower temperature room in the
morning, the whole body’s muscles get contractions
and produce heat.
At noon - Highest
After lunch, human body reaches the highest tem-
perature and the body will adjust naturally.
15-16 hrs - Lower
Due to physical exertion, blood sugar decreased.
In the evening - Lowest
Due to the sun down, room temperature goes down.
Measurement methods
Normal body
temperature
Anal temperature
36.6~38 °C
Oral temperature
35.5~37.5 °C
Axillary temperature
34.7~37.3 °C
Cochlear temperature
35.8~38 °C
Oral temperature
35.5~37.5 °C (PG-
IRT1603 measured
value)
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UK