Examlex
Which of the following was found to be related to longer sleep durations during the preschool years?
Diffusion
The process by which molecules move from an area of higher concentration to an area of lower concentration.
Oxygen
A chemical element with symbol O and atomic number 8, essential for most life forms on Earth as part of the process of respiration.
Carbon Dioxide
A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is absorbed by plants in photosynthesis.
Thoracic Cavity
The part of the body's cavitation that is enclosed by the rib cage, and contains organs like the heart and lungs.
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