Dragonfly breathes from its butt. It sucks water from its anus where the gas exchange process occurs. When the dragonfly takes the water out from its rear, it pushes the nymph forward, giving the added benefit of locomotion.
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Dragonflies exchange gases through a system of tracheae that run throughout their bodies. These tracheae deliver oxygen directly to the tissues and remove carbon dioxide. This type of gas exchange system allows for efficient diffusion of gases without the need for specialized respiratory structures like lungs or gills.
In the lungs, oxygen diffuses from the alveoli into the bloodstream through the process of gas exchange facilitated by differences in partial pressure.
During the germination process, oxygen is absorbed by the seed and carbon dioxide is released as a byproduct of respiration. This gas exchange is necessary for energy production and growth in the germinating seed.
The process involved in the passage of gas between the alveolus and the blood is called gas exchange. This occurs through diffusion, where oxygen moves from the alveolus into the capillaries and carbon dioxide moves from the capillaries into the alveolus.
The respiratory system is responsible for providing gas exchange between the blood and the air. This process occurs in the lungs where oxygen is taken up by the blood and carbon dioxide is released from the blood into the air through the alveoli.
The chorion, a membrane surrounding the amniotic fluid, is responsible for gas exchange in the amniote egg. It allows for the diffusion of oxygen into the egg and the removal of carbon dioxide produced by the embryo. This process is crucial for the embryo's survival and development within the egg.