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The nucleus of a helium atom is called
Chemical Substances
Compounds or elements that consist of atoms and molecules, having specific chemical and physical properties.
Thyroid Gland
An endocrine gland in the neck that produces hormones regulating the body's metabolic rate, heart and digestive function, muscle control, brain development, and bone maintenance.
Exocrine Functions
Activities of exocrine glands that involve secreting substances through ducts to the surface of an organ or tissue or into a vessel.
Endocrine Gland
Glands of the endocrine system that release hormones directly into the bloodstream, regulating various body functions.
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