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Questions and Answers
What is the process called when oxygen moves from the air into the blood?
What is the process called when oxygen moves from the air into the blood?
Where does the blood inside the capillary come from?
Where does the blood inside the capillary come from?
What happens to oxygen once it gets into the blood?
What happens to oxygen once it gets into the blood?
What is the primary gas present in the air inside the air sacs?
What is the primary gas present in the air inside the air sacs?
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What is the main reason for oxygen moving from the air to the blood?
What is the main reason for oxygen moving from the air to the blood?
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Which term refers to the process of oxygen combining with haemoglobin in red blood cells?
Which term refers to the process of oxygen combining with haemoglobin in red blood cells?
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Study Notes
Oxygen Transfer and Blood Circulation
- The process of oxygen movement from air into the blood is called diffusion.
- Blood inside the capillaries primarily comes from pulmonary circulation, where oxygen-poor blood is transported from the heart to the lungs.
- Once oxygen enters the blood, it binds to hemoglobin molecules in red blood cells, forming oxyhemoglobin for transport to tissues.
- The primary gas present in the air sacs, known as alveoli, is oxygen, with carbon dioxide also present due to gas exchange.
- Oxygen moves from the air to the blood mainly due to concentration gradients, where it moves from an area of higher concentration (alveoli) to lower concentration (blood).
- The term for the process of oxygen combining with hemoglobin in red blood cells is called oxygenation.
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Description
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.
