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Which substance greatly reduces the attractive forces among the water molecules lining the alveoli?
Surfactant is the substance that greatly reduces the attractive forces among the water molecules lining the alveoli. It is composed of lipids and proteins and plays a crucial role in lowering surface tension, which prevents alveolar collapse and facilitates easier breathing. By reducing surface tension, surfactant helps maintain alveolar stability during the respiratory cycle.
What keep the alveoli from collapsing?
Alveoli does not collapse because lungs always have a residual volume which prevents the alveoli to collapse.
What is the function of the surface of fluid lining the alveolar?
The fluid lining the inner alveolar membrane is called surfactant. It helps reduce the surface tension in the alveoli, which prevents them from collapsing in on themselves every time we exhale.
What prevents carbon dioxide from lowering the pH of blood in humans?
the presence of a buffer
What prevents neutron stars from contracting to a smaller size?
Neutron degeneracy pressure, in which the neutrons themselves prevents further collapse.
What prevents evaporation?
Keeping the molecule in a low temperature. The temperature varies on what type of molecule.
What is an alveolar rupture?
An alveolar rapture refers to a situation where the alveolus raptures as a result of increased trans alveolar pressure with less pressure in the adjacent intestinal space. The rapture is dangerous because the amount of pulmonary congestion or obstruction that prevents the expansion of the lung is immeasurable, thereby leaving no criteria for safe pressures.
What prevents the collapse of a white dwarf and allows it to maintain stability despite its immense gravitational pull?
A white dwarf's stability is maintained by electron degeneracy pressure, which prevents further collapse due to the immense gravitational pull.
How do fat and protein film lining the inner wall of the aveoli do in your reapiratory system?
Pulmonary surfactant is a surface active material composed of lipids and proteins which is found in the fluid lining the alveoli.Surfactant prevents alveolar collapse. In addition, it is involved in the protection of the lungs from injuries and infections caused by inhaled particles and micro-organisms.
How does the fat and protein film lining the inner wall of the alveoli protects the respiratory system?
Pulmonary surfactant is a surface active material composed of lipids and proteins which is found in the fluid lining the alveoli.Surfactant prevents alveolar collapse. In addition, it is involved in the protection of the lungs from injuries and infections caused by inhaled particles and micro-organisms.
Explain the functional importance of the partial vacuum that exists in the intrapleural space?
The partial vacuum in the intrapleural space helps maintain the lungs' inflation and prevents lung collapse by creating a negative pressure that opposes the natural elastic recoil of the lungs. This vacuum also helps keep the lungs in close contact with the chest wall, allowing for efficient gas exchange during respiration.
Which molecule prevents cell membrane from dissolving in water?
Nonpolar Fatty Acids
