Questions tagged [breathing]
The physiological process of inhaling and exhaling air for the purpose of gas exchange in the lungs.
6
questions
4
votes
1answer
13k views
Why can't people talk while inhaling?
Why do we have to exhale in order to talk? From looking on Wikipedia, it seems like it has something to do with the glottis, but I'm not clear on the mechanism that makes speech sound so different ...
16
votes
4answers
54k views
How can we differentiate between respiration and breathing?
I am a student of 10th grade, and I eagerly want to learn biology. What is the difference between respiration and breathing?
4
votes
3answers
6k views
Breathing faster to lose (more) weight?
I understand that when the human body loses weight, the vast majority of that weight is lost as $CO_2$ (and a small bit is lost as water). I expect the predominant way $CO_2$ exits the body is through ...
3
votes
1answer
212 views
Involuntary twitches and apnoea during early phases of sleep
I assume most people either experienced or have seen people with the following phenomenon: in the early phases of sleep sometimes involuntary twitches occur that usually accompany the pause of ...
3
votes
2answers
2k views
Sitting in a closed room filled with regular air - for how long will the air last?
The question has implicitely a lot of variables attached to it:
volume of the room
activity
how closed the room is
size of the person (I'm 168cm long and 64 kg heavy)
That could probably be turned ...
1
vote
1answer
634 views
Breathing under water
Why can fish breathe under water but land mammals can't? How can fish extract oxygen straight from water but humans can't?
