The main factor that controls the rate of breathing is..
A.) concentration of carbon dioxide.
If we think about it.. When we breath in oxygen, right away it enters your lungs and turns into carbon dioxide. Well since your lungs need to process oxygen and bring oxygen into the blood stream. Then as soon as the oxygen comes inside (inhale) the oxygen turns into carbon dioxide and you breath it out (exhale) to get a new oxygen load.
Makes sense? lol
Good Luck! :)
I'm pretty sure the answer is D. bile.
I believe the answer is a
Hope that helped :)(
Yes they definitely should ask the parents they can’t just give a kid to someone they don’t know for the safety of the child. Or they could also also the child if they know who the person there going with is. Hope that helped:))
