Examlex
Identify each of the following transformations as a chemical or physical change
-a button falling off of a shirt
Leptin
A protein hormone produced by fat cells in the body that is related to eating and weight control.
Hormone
A chemical substance produced in the body that controls and regulates the activity of certain cells or organs.
Experimental Starvation
A research setting where an organism is deliberately deprived of food for a period of time to study the physiological and psychological effects.
Re-fed
Refers to the process of reintroducing food to a person or animal after a period of fasting or severe undernutrition.
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