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What type of communication medium uses infrared signals?
Molecular Oxygen
A diatomic molecule made up of two oxygen atoms, essential for processes such as respiration in aerobic organisms.
Hemoglobin
An iron-containing protein in red blood cells that transports oxygen from the lungs to the tissues and carbon dioxide back to the lungs.
Pulmonary Emphysema
A lung condition that causes shortness of breath due to over-inflation of the air sacs in the lungs.
Alveoli
Tiny air sacs in the lungs where gas exchange occurs, allowing oxygen to enter the blood and carbon dioxide to be expelled.
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