Atelectasis from the outside (tumor, lymph node, tubercle). Another cause is poor surfactant spreading during inspiration, causing the surface tension to be at its highest which tends to collapse smaller alveoli. Atelectasis may also occur during suction, as along with sputum, air is withdrawn from the lungs. There are several types of atelectasis according to their underlying mechanisms or the distribution of alveolar collapse; resorption, compression, microatelectasis and contraction atelectasis. Relaxation atelectasis (also called passive atelectasis) is when a pleural effusion or a pneumothorax disrupts the contact between the parietal and visceral pleurae. Risk factors associated with increased likelihood of the
Destroy All Humans! 2 worm to crawl around, eating nearby humans. The Anti-Gravity Field, which creates a small point of high gravity, which pulls anything, including humans, into it before exploding, destroying anything. "Destroy All Humans! 2" received generally positive reviews from critics. Aggregating review websites GameRankings and Metacritic gave the Xbox version 76.61% and 74/100 and the PlayStation 2 version 75.75% and 74/100. GameZone stated that "The new weapons and body snatching ability just add more fun to a game with huge open worlds and the plentiful side missions" and that the ""game actually supersedes the original"". The AI was criticized by TeamXbox,