for shorter periods no problem,the circulation will improve,that is what happens after excersize
if hyperventilation is for a prolonged period he will go into a condition called respiratory acedosis.
it will hide and not come out for ages (hyperventilating in it's hiding place)
It falls.
They breathe too much oxygen. This causes light-headedness. Breathe slowly for awhile or breathe into a paper bag to raise your CO2 .
alkalosis.
from the looks of it NO! But you'll never know... what happens after naruto hyperventilates... if you're wondering how i know 'naruto hyperventilating' part, the answer is this site where you can read mangas the site is www.mangafox.com
She really likes you and is afraid to do or say something that you might think is stupid.
the person dies
nothing happens
haemolysis
If this happens you need to do the hardest thing. Give up on getting with this person you like.
Something very bad happens.
The person would choke and puke.