Answer :
During normal breathing, about 750ml of air moves in and out of our lungs in a process known as tidal volume in respiration.
This process contributes to our body's respiratory process by supplying oxygen to body's tissues and removing waste carbon dioxide. During normal, quiet breathing, an average person's lungs take in and expel about 750ml of air with each breath.
This process is called tidal volume. In the process, oxygen in the inhaled air moves into the alveoli (tiny air sacs in the lungs) where it gets transferred to the blood cells flowing in the capillaries. After oxygen is transferred to the body's tissues, the waste product carbon dioxide is extracted from the cells, and we exhale it as part of the air.
This respiratory process is essential to life as it ensures our body's cells receive sufficient oxygen to function effectively and get rid of harmful carbon dioxide.
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