Examlex
Of all the changes after the war,the widespread presence of democracy was one of the few positive achievements of the conflict.
Hormones
Chemical messengers produced by the endocrine glands in the body, which travel through the bloodstream to target organs to regulate physiology and behavior.
Myelin sheath
A fatty layer that encases the axons of some neurons, which helps increase the speed at which information can travel along the nerve cells.
Electrically charged atoms
Atoms that have gained or lost electrons, resulting in a positive or negative electrical charge, known as ions.
Free radicals
Unstable atoms or molecules with an unpaired electron that can cause cellular damage, contributing to aging and diseases.
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