6 Questions
What is the process called when oxygen moves from the air into the blood?
Diffusion
Where does the blood inside the capillary come from?
Organs in the body
What happens to oxygen once it gets into the blood?
It combines with haemoglobin in red blood cells
What is the primary gas present in the air inside the air sacs?
Oxygen
What is the main reason for oxygen moving from the air to the blood?
Diffusion gradient
Which term refers to the process of oxygen combining with haemoglobin in red blood cells?
Oxygenation
Test your knowledge on the process of gas exchange in the air sacs where oxygen and carbon dioxide are exchanged between air and blood. Understand how oxygen is taken up by the blood and carbon dioxide is released into the air.
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