Answer:the build up of thick, sticky mucus that can damage many of the body's organs.
Explanation:
Cystic fibrosis is an inherited disease characterized by the buildup of thick, sticky mucus that can damage many of the body's organs. The disorder's most common signs and symptoms include progressive damage to the respiratory system and chronic digestive system problems.
Answer:
true
Explanation:
it is true because it is a part of healthy physical environment
Hi,
A person swimming by himself gets pulled out to sea by a strong current.
How might such an accident be prevented?
Answer:
C. Swim with a partner.
