The respiratory system uses diffusion and the diaphragm to bring oxygen into the lungs and push carbon dioxide out of the lungs. When you breath in your diaphragm expands into a dome shape creating an area of decompression and the air is forced into your lungs filling the empty space. When breating out it is the opposite the diaphragm flattens and pushes the air out of the lungs. THe air mainly consists of carbon dioxide
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The levels of carbon dioxide in the body are monitored by chemoreceptors, (they do this by measuring pH - lower pH means more carbon dioxide). If the levels of carbon dioxide are too high then the respiratory centre of the brain (in the medulla oblongatis) sends signals to the lungs and diaphragm to increase the breathing rate.
carbon dioxide
The respiratory system utilises oxygen from the environmrntal gases and expires carbon dioxide (CO2).
Primiary respiratory drive in a healthy person is based on carbon dioxide levels. In a healthy person each time the carbon dioxide level gets high the brain stem send nerve impulses down the spinal cord that cause the diaphragm and the intercostal muscles to contract.
Carbon dioxide.
blood carbon dioxide levels
Carbon dioxide
Carbon dioxide.
Carbon dioxide
Carbon dioxide
The respiratory system moves oxygen in and carbon dioxide (CO2) out.