The blood ph level is not maintained by the respiratory system.
Peer pressure is the direct influence on people due to peers, or also the effect on an individual who gets encouraged to follow their peers by changing their attitude, values or their behaviors to given in to those who are influencing the group or individual.
I hope this helps!
Check the file I added, Brainly wouldn't let me comment my answer for some reason.
Coming in contact with other people with cystic fibrosis, 6 feet at least at all times
