These are called papillae
The statement is true. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It may effect part or all of a lung. An airway blockage also can cause Atelectasis. A blockage may be due to a foreign object, a mucus plug, lung cancer, or a poorly placed breathing tube from a ventilator. When a blockage occurs, the air that's already in the air sacs is absorbed into the bloodstream.
Answer:The relationships between plant organs, tissues, and cell types are illustrated below. ... Different cell types comprise each tissue type, and the structure of each cell ... Their main function is to provide support to the plant, holding leaves, ... Meristems produce cells that quickly differentiate, or specialize,
Explanation:
I believe the answer is Nucleus.
