<u>Hormones </u>are powerful chemical substances secreted by the endocrine glands that travel through the bloodstream and play a crucial role in bringing about pubertal changes.
A class of signaling molecules known as hormones are found in multicellular organisms and are transferred to distant organs through complex biological mechanisms in order to regulate physiology and
Many different types of molecules can be classified as hormones (as a signaling molecule that exerts its effects far from its place of creation).
Among the chemicals that can be categorized as gases are eicosanoids (such as prostaglandins and thromboxanes), steroids (such as oestrogen and brassinosteroid), amino acid derivatives (such as epinephrine and auxin), proteins or peptides (such as insulin and CLE peptides), and gases.
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