hormone
US /ˈhɔːr.moʊn/
UK /ˈhɔːr.moʊn/

1.
hormônio
a regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action
:
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Insulin is a hormone that regulates blood sugar.
A insulina é um hormônio que regula o açúcar no sangue.
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Growth hormones play a crucial role in development.
Os hormônios de crescimento desempenham um papel crucial no desenvolvimento.