Examlex
We are able to detect gravitational waves that have travelled from billions of light years away.
Upward
A direction or movement toward a higher position or place.
Bronchioles
The small airway passages in the lungs that extend from the bronchi and lead to the air sacs (alveoli).
Capillaries
The smallest blood vessels in the body, responsible for the exchange of various substances between the blood and surrounding tissues.
Gases
States of matter consisting of particles that have neither a defined volume nor shape, expanding to fill their container.
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