Examlex
Over land,most water that reaches the atmosphere comes from transpiration.
Digestive System
The group of organs responsible for breaking down food into nutrients, which the body uses for energy, growth, and cellular repair.
Circular Muscles
Muscles that are shaped in rings and typically found in various body systems, responsible for controlling the passage of substances by contraction and relaxation.
Ghrelin
A peptide hormone produced primarily in the stomach, the level of which rises before and falls after meals.
Leptin
A protein hormone produced by fat cells in the body that is related to eating and weight control.
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