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no one can be completely sure, but my personal theory is it keeps us from dieng. nobody knows for sure though although thats an exellent question
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How do breathing passages help keep pathogens out of the body?
they make you sneeze or cough and when you do that all of the pathogens stay out of your body - Rudo575 pathogens get stuck in mucus or small hair.
Can humans swim by instinct even if they don't know how to know how to swim?
It is believed that all babies can naturally swim, because all humans spend the 9 months before birth surrounded by liquid. This would imply that through time the child forgets how, and that humans eventually need to be taught to swim.
What is the difference betwee snakes shedding their skin and the process humans go through to get rid of their skin layer?
Humans shed one cell at a time, all the time. Snakes do it in one slow-motion process once or twice a year (or more, depending on their rate of growth).
If there were no humans on earth in the time of dinosaurs how did humans come back onto the earth afterward?
Humans didn't "come back"; that implies that they had been here and left for some reason. Most contemporary theories say that humans didn't come into existence until long after the death of the last dinosaurs. Humans developed from animals that lived along side the dinosaurs, but the animals were far from human in every way. This kind of thinking is different from approaches that suggest that all the animals came about at the same time.
Why do blind people keep their eyes open?
well, if they closed there eyes all the time they would not be able to see.
Am I the only one natually breathing this way...?
not you all humans do in that way.
How do computer robots answer your personal questions?
None - We are all living, breathing humans.
What is the organ for breathing that mammals have?
All mammals, including humans, breathe using their lungs.
Why is breathing not a characteristic of life?
Respiration, in and of itself, is a key characteristic of living things. However, breathing as humans do, with lungs, is not how all living things respire.
How often does a great white shark move?
Almost all the time. Many sharks rely on movement to keep water flowing over their gills, which is their version of breathing.
What would happen if you keep on cutting all the existing trees?
you could stop breathing
How are dogs flies dolphins and humans connected by fluids?
TThey all spend a lifetime moving through and breathing liquids
How do Sahara animals keep cool?
well, it's not that complicated, but they have sweat glans like humans do. Kangaroos don't have sweat glans, so they stay hot all the time. Sweat glans keep people from staying hot all the time. Sweating may be annoying, but it really helps the human body. Keep that in mind the next time you forget my answer... =)
What do only humans have?
We keep a long and careful record of all our blunders.
Why does coffee exist?
To keep all kinds of working humans alive.
Should you keep water available for you dog all the time?
Yes, all the time. You want to keep your dog healthy all the time.
Do aboriginies have pets?
Yes. All humans keep pets of some sort.
