Questions tagged [temperature]

Questions dealing with biological processes in relation to temperature, for instance temperature effects on metabolism, enzyme function or development time. Temperature can be measured on many different scales, e.g. in degrees Fahrenheit or Celsius, or Kelvin.

100 questions
9
votes
3 answers

Does body temperature affect human lifespan?

If a human body were somehow to be kept at a cold temperature (say 30C) for the entire life of the given individual. And somehow the brain could be fooled into thinking that this 30C feels nice and warm. Would that given individual live longer as a…
john-jones
  • 744
  • 5
  • 13
8
votes
2 answers

Why humans have the temperature they have?

It is obviously very onerous to generate heat at all, although it has advantages. We don't have to lie on the sun like a crocodile to get warmer. And we avoid the freezing of our body water by out own means. But wouldn't just a little of heat be…
Quora Feans
  • 380
  • 1
  • 2
  • 8
5
votes
2 answers

Are there organisms which have compartments of different body temperature?

I was wondering if there are organisms which have compartments(inside the body) with different body temperatures. To clarify are there organisms which have tissue/organs which are surrounded by something (other cells, tissues) which have an other…
KingBoomie
  • 2,380
  • 2
  • 22
  • 41
5
votes
1 answer

Why are low temperatures lethal?

Why can't we (human, or even unicellular organisms) withstand low (body) temperatures (5 - 25°C). I have a limited background in chemistry and biology, so this might be obvious, but not to me. I know that low temperature reduce the speed of chemical…
Arkantus
  • 61
  • 4
2
votes
1 answer

Temperature Tolerance In Relationship To Body Temperature

A humans body temperature averages at around 98.6°F A dog's body temperature averages at around 101.5°F If the temperature outside is 45°F who would feel colder? The dog's temperature is higher than the human. So you would assume since its…
kittycat
  • 1,191
  • 1
  • 13
  • 21
1
vote
0 answers

If people can survive being frozen some, why not indefinitely?

I've heard of cases and also personally met someone who survived with a full recovery after they were taken to the hospital after being found unconscious in the snow for (presumably) more than 45 minutes, and claimed their temperature dropped below…
DaneJoe
  • 241
  • 1
  • 4
  • 7
1
vote
2 answers

What happens to our body when we undergo a sudden temperature change from 40℃ to 20℃?

We know that a glass gets cracked when it undergoes sudden change in temperature. But what will happen in the case of a human body if it changes from the maximum(>35℃) to the minimum temperature(<35℃) suddenly?
Hari Nandha
  • 151
  • 1
  • 1
  • 7
1
vote
0 answers

Why do different animals have different body temperatures?

Why do different animals have different body temperatures. For example, humans have 37°C, while dogs have 39°C. Presumably we have ancestors whose temperature differs from ours. Why would it change over time?
David Dubois
  • 203
  • 1
  • 5
0
votes
0 answers

What is the maximum/minimum temperature humans can survive at for an extended period of time, and what rate does the body temperature change at?

3 questions: At what rate does the body temperature of a human change at? That is, assuming the outside temperature is x, is there some sort of formula that can determine how long it takes for the human body to reach any temperature above or equal…
0
votes
1 answer

Does pouring water on your skin affect the evaporation process and heat loss?

Recently I've been playing football in the sun pretty hot temperatures. During the water breaks I tend to pour a lot of water over my head to cool me down, now this has an instant effect on cooling me down but in the long run would this have any…
falkon13
  • 9
  • 1