Answer :
Answer:
The correct answer is - into (blank), the mucus become dehydrated, sticky and thick.
Explanation:
According to the explained hypothesis the cystic fibrosis is occurred due to the defective protein which leads to the event where chloride ions are not able to move out of the epithelial cells of the respective tracts which cause movement of water into the cell by osmosis.
Due to the movement of the water into the cells is makes the cell mucus become dehydrated, thick and sticky due to the less water.
Thus, the correct answer is - into (blank), the mucus become dehydrated, sticky and thick.