Respiration .
Pumps blood around the body
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Lungs
Without our lungs we would suffocate and die (unless there was a medical artificial means to oxygenate our blood - life support).
The diaphragm is a muscle which helps control the breathing process. When the diaphragm contracts it pulls down on the lungs (it is connected by the plueral membrane and connective tissue.) this creates space for the air to be forced into the lungs . This is because there is greater pressure inside the lungs than outside the lungs, resulting in air rushing into the lungs, and vice versa when the diaphragm relaxes.
Inspiration is the process of inhaling air into the lungs, while exhalation is the process of expelling air out of the lungs. These processes are vital for the exchange of oxygen and carbon dioxide in the body, which is necessary for bodily functions and maintaining life.
It provides air to the lungs, which sends it throught the bloodstream to make the human body function, from toes to the brain
Amphibians, such as frogs and salamanders, begin life with gills for underwater breathing and later develop lungs to breathe on land as they mature. This transition from gills to lungs is part of their metamorphosis process.
i't is trats
hemostasis
Carbohydrates is the preferred fuel.
the greatest miracle ever performed by God was the miracle of human life...giving human beings life in general, and giving us free will...without it, we would not have the understanding to come to him and be saved by him!