POSSIBLE POINTS: 8.33 Devon has cystic fibrosis or CF. It is an inherited condition that causes his body to produce excess mucus and lower than normal levels of digestive
enzymes. A person with CF often experiences the following symptoms:
frequent lung infections
poor energy level
low appetite
Although all of Devon's body systems are affected by cystic fibrosis, it is mainly a disorder of which two body systems?
circulatory and digestive
o digestive and skeletal
digestive and respiratory
circulatory and respiratory