Examlex
Match the circulatory system to the correct description.
-four-chambered heart
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.
Cellular wastes
Unwanted or toxic byproducts produced by cells during metabolism and other biological processes, which need to be removed or recycled to maintain cellular health.
Multiple sclerosis
A chronic autoimmune disease that affects the central nervous system, leading to muscle weakness, coordination problems, and other symptoms.
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