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The nurse is caring for a patient undergoing cardiac catheterization who states, "My father died of a massive heart attack when he was 50, so I do everything I can to stay fit." Which of the following statements by the nurse is best?
Absorption
The process by which substances are taken up into or across tissues, such as nutrients being absorbed by the gastrointestinal tract into the bloodstream.
Respiration
The biological process involving the exchange of gases between an organism and its environment, including inhaling oxygen and exhaling carbon dioxide.
Digestion
The complex process by which food is broken down by the body's digestive system into substances that can be absorbed and utilized for energy, growth, and cell repair.
Elimination
The process of removing something or someone from consideration, or the body's process of expelling waste.
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