Cystic fibrosis affects the cells that produce mucus, sweat, and digestive juices. It causes these fluids to become thick and sticky. They then plug up tubes, ducts, and passageways.
It is an inherited life-threatening disorder that damages the lungs and digestive system.
Hi Belle, I think it would be Intensity because the beats per minute are increasing. So that means that she/he is going faster. I hope this helped!!!
