Examlex
Which of the following topographic landmarks corresponds with the L4-5 vertebral level?
Adaptations
The process by which organisms adjust to changes in their environment, often leading to evolutionary changes that improve survival and reproduction.
Ozone
A form of oxygen with three atoms per molecule, forming a layer in the Earth's atmosphere that absorbs most of the sun's ultraviolet radiation.
Ultraviolet Radiation
A type of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, capable of causing chemical reactions and damaging living tissues.
Oxygen
Oxygen is a chemical element with symbol O, essential for cellular respiration in most living organisms and a key component of Earth's atmosphere.
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