Explain schematic representation of gaseous exchange in tissues
Answers
First of all the gaseous exchange takes place between the alveoli and blood. Here the alveoli have great partial pressure of oxygen and less partial pressure of CO2 while in blood the partial pressure of CO2 , is more and partial pressure of O2 is less. So, exchange of gas takes place between blood and alveoli. The oxygen is transferred to blood and CO2 , is transferred to alveoli. Same thing happens between blood and cells or other body tissues. Here the partial pressure of oxygen is more in blood and less in tissues while the partial pressure of CO2 is more in tissues and less in blood. So. exchange of gases takes place and tissues receive oxygen from blood and transfer CO2 , to blood.
In this way tissue receives oxygen.
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