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.
I believe the answer would be d.muscle cramps. Breathing in toxins seems like it could relate to the other three answers.
Answer:
I think that health related professions are important in the society because they give there opinions to keep us healthy, and they also have backup plan when we are sick to try to make us better.
