Focus on 'alveolus' to understand the lung's ability to exchange gases during breathing. A healthy alveolus is crucial for efficient oxygen absorption in the lungs.
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Respiration Process
Relate 'alveolus' to the entire process of respiration to grasp its role in the respiratory system. When you breathe, air travels to each alveolus to transfer oxygen to the blood.
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Plural Form
'Alveolus' is singular; its plural form is 'alveoli', often used since we have multiple in our lungs. The doctor explained how the alveoli fill with air as we inhale.