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प्रश्न
Suppose your normal body temperature were lower than what it is. How would the sensation of hot and cold change?
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उत्तर
If the normal body temperature, (37°C or 98.6°F) is lower than what it is, then it is called hypothermia.
In such a case, the body feels a cold sensation. When we are too cold, our blood vessels narrow. This reduces blood flow to our skin to save body heat. We may start to shiver. When the muscles tremble this way, it helps to make more heat.
Hypothermia can be serious or even deadly. Low body temperature usually happens from being out in cold weather. But it may also be caused by alcohol or drug use, going into shock, or certain disorders such as diabetes or low thyroid.
A low body temperature may occur with an infection. This is most common in newborns, older adults, or people who are frail. A very bad infection may also cause an abnormally low body temperature.
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संबंधित प्रश्न
What is meant by the term temperature.
Write down the temperature of the lower fixed point on the Fahrenheit scale.
A deep pond of water has its top layer frozen during winter. State the expected temperature of water layer (i) Just in contact with ice and (ii) At the bottom of pond.
What is a bimetallic strip?
Convert the following temperature into Celsius scale:
32oF
Give a scientific reason for the following:
On a hot sunny day, it is advisable to wear light coloured clothes.
State whether true or false. If false, correct the statement.
One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K.
