The respiratory system is made up of several organs and structures, including the lungs, windpipe, diaphragm and alveoli. It is responsible for taking in oxygen and expelling carbon-dioxide waste.
The respiratory system is responsible for the exchange of carbon dioxide and oxygen in the human body. This system also helps remove metabolic waste products and keep pH levels in check. The major ...
Pulmonary circulation is the process by which blood travels from the heart to the lungs and then back to the heart. This flow keeps the heart supplied with oxygen, which the blood picks up from the ...
Pulmonary circulation is the process by which blood travels from the heart to the lungs and then back to the heart. This flow keeps the heart supplied with oxygen, which the blood picks up from the ...
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