Examlex
Essential organic substances that are used in only tiny amounts by the body are called:
Leptin
A hormone produced by fat cells that regulates energy balance by inhibiting hunger, thus helping to manage body weight.
Hunger
A physical sensation and biological drive for food intake triggered by the body's need for nutrients.
Hormone
A chemical substance produced in the body that controls and regulates the activity of certain cells or organs, essential for various bodily functions from growth to reproduction.
Body Mass Index
A measure used to assess a person's body weight relative to their height, indicating if someone has a healthy weight, underweight, overweight, or obese.
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