The maintenance of a constant internal environment - for example temperature, carbon dioxide concentration or water concentration, etc. within an organism.
1
vote
0answers
33 views
Why do people feel extreme cold at different temperatures compared to other people of same body structure?
I have seen some people shivering in the room temperature of 18°C while others of similar body structure do not feel that much amount of cold.
Of course the clothing of both people is similar if ...
6
votes
1answer
72 views
How does the body measure dehydration?
What, physically, does the body do to measure it? I assume it's measured by how how turgid or plasmolysed certain 'sample cells' are, or water concentration in the blood,
What is the way they use to ...
6
votes
2answers
315 views
If body temperature is 37°C (98.6°F), why are most people more comfortable at around 21°C (70°F)?
It may be different for other people, but for me, anything above 32°C (90°F) is very uncomfortable, and my body is inclined to seek cooler temperatures. But I would think that at 32°C, the body would ...
8
votes
2answers
719 views
Glomerular Filtration Rate
In practice, when you have vasoconstriction of the glomerular capillaries and subsequently an increase in blood pressure, glomerular filtration rate increases. However, this seems counterintuitive to ...
9
votes
1answer
86 views
Last-ditch efforts to maintain thermal homeostasis
I was in the gym's steam-room today and a thought occurred to me: have I truly thwarted all possible mechanisms for maintaining thermal homeostasis?
There's sweating, which is thwarted because the ...
