The answer you are looking for is A
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Answer:
Exocytosis
Explanation:
Exocytosis is when a bulk of molecules exit the cell. The arrows indicate that it is leaving the cell.
1) It could lead to the cure of cancer which would save so many lives.
2) It would lead to discoveries on different illnesses and possibly how to treat them.
B) teachea, bronchi, into the bronchioles, then into alveoli (air sacks)
