Examlex
What is the relationship between wants,resources,scarcity,and choices? Discuss the relationship for an individual and for a society.
Absorption
The process by which substances are taken up into a more assimilable form, such as nutrients from food into the bloodstream.
Peristalsis
A sequence of muscular waves that propel food along the digestive system.
Chemical Digestion
The process in the digestive system where enzymes break down food into small molecules the body can absorb.
Diffusion
Tendency for solute molecules to move from an area of high concentration to an area of low concentration in solution; the product of the constant random motion of all atoms, molecules, or ions in a solution.
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