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Wh ylungs do not normally collapse during expiration?
The lungs do not normally collapse during expiration because they are held open by the negative pressure in the pleural space, created by the pulling force of the diaphragm and intercostal muscles. This negative pressure helps maintain the alveoli's shape and prevents them from collapsing completely. Additionally, the presence of surfactant in the alveoli helps reduce surface tension and keeps the alveoli inflated.
What prevents galaxies from collapsing under their own weight?
Their rotation.
What holds the trachea open and prevents it from collapsing?
Rings of cartilage.
How the system helps the body?
It prevents you from collapsing like a blob of jello.
Why prevents stars collapsing under the force of their own gravity?
The pressure of the fusing gasses
What prevents windpipe from collapsing?
Rings of Cartilage prevents the windpipe from collapsing.cartilage ringsIt is constructed of inflexible cartilage that always maintains it's shape.
Why must you seal an chest wound?
This stops air from entering the chest cavity, and prevents collapsing the lung.
Why doesnt a protostar form a black hole?
The pressure within a protostar counters gravity and prevents the star from collapsing further.
What prevent the windpipe from collapsing?
Rings of Cartilage prevents the windpipe from collapsing.cartilage ringsIt is constructed of inflexible cartilage that always maintains it's shape.
Why is the trachea hard?
The trachea is bolstered by cartilage tissue, which prevents it from collapsing.
How do safety cages prevent injury in a rollover crash?
It is a rigid frame that prevents the car from collapsing and crushing car occupants in a roll-over crash
What is chemical compound that prevents the lungs from collapsing?
The chemical compound that prevents the lungs from collapsing is called surfactant. Surfactant is a mixture of lipids and proteins produced by the cells in the alveoli (air sacs) of the lungs. It reduces surface tension in the alveoli, allowing them to remain open and facilitating the exchange of gases during breathing. This is particularly crucial in newborns, as insufficient surfactant can lead to respiratory distress syndrome.
