Examlex
Uncompressed rocklike fossils in which the original cell structure has been preserved are
Gases
States of matter consisting of particles that have neither a defined volume nor shape, expanding to fill their container.
Exhalation
The process of releasing air from the lungs through the respiratory tract; a key part of the breathing cycle in aerobic respiration.
Bronchi
The main passageways directly attached to the lungs that allow the passage of air in and out of the lungs.
Alveoli
Tiny air sacs within the lungs where gas exchange between the air and blood occurs.
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