Answer:
I believe it's the upper part of the wall of the atrium.
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.
9 weeks is the answer ik health :D
Depends mine were around 3000