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Reduces the surface tension of the fluid in the alveoli?
Surfactant, a substance produced by type II alveolar cells in the lungs, reduces the surface tension of fluid in the alveoli. This helps to prevent the collapse of alveoli during expiration and facilitates the exchange of gases in the lungs.
The sustance that reduces surface tensin in the alveoli is?
Surfactant is a substance which lines the inside of alveoli. It is composed of a phospholipid bilayer, which have hydrophyllic and hydrophobic properties. This allows it to reduce surface tension.
Why do alveoli die in emphysema?
Destruction of alveoli reduces the surface area for gas exchange
How are septal cells involved in keeping alveoli from collapsing?
They produce surfactant, a substance that reduces surface tension. Alveoli are very small, only 80 nanometers wide, and are flat. Therefore they have a tendency to curl up. The surfactant reduces this tendency, hence keeps the alveoli from collapsing.
What is the name of the lipid substance that coats the alveoli surface?
Surfactant
What is the serous fluid reduces surface tension?
Surfactants, which are molecules that lower surface tension, can be found in serous fluid. These molecules help prevent alveoli in the lungs from collapsing by reducing the surface tension of the fluid lining the alveoli.
What are surfactants?
A substance that tends to reduce the surface tension of a liquid in which it is dissolved.
What protects the alveoli?
The alveoli are protected by the surfactant, which is a substance secreted by the alveolar cells. Surfactant reduces the surface tension in the alveoli, preventing them from collapsing during exhalation. The rib cage and diaphragm also play a role in protecting the alveoli by maintaining the pressure required for proper lung function.
What are the soaplike particles consisting of phospholipids and proteins that coat the inner surface of the alveoli?
Surfactant is the soaplike substance that coats the inner surface of the alveoli. It is composed of phospholipids and proteins and helps to reduce the surface tension within the alveoli, preventing their collapse and aiding in the process of gas exchange in the lungs.
True or false the fluid coating the alveoli that reduces surface tension is called surfactant?
True; produced by Type II pneumocytes
What cells secrete surfactant that reduces the tendency for pulmonary alveoli to collapse?
Type II alveolar cells in the lungs secrete surfactant, which is a specialized fluid that lowers surface tension in the alveoli. This reduces the tendency for the alveoli to collapse during exhalation and helps maintain the elasticity of the lungs for efficient gas exchange.
What is the protein fat compound that creates surface tension and keeps the walls of the alveoli from collapsing?
The compound is called surfactant, which is a mixture of lipids and proteins. Surfactant reduces surface tension in the alveoli, preventing them from collapsing and allowing for efficient gas exchange in the lungs.
