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What is the first step in obtaining nutrition from food?
AAbsorption of the nutrients
BElimination of the waste
CDigestion of the molecules
DIngestion of the food
Answer & Solution
Correct answer: D. Ingestion of the food
1. Getting nutrition from food is a multi-step process with a fixed order.
2. The first step is ingestion, the act of taking food in.
3. Digestion and absorption follow it.
4. Elimination of what is left is the final step.
_Source: OpenStax Biology 1e (CC BY 4.0), Ch 34 "Animal Nutrition and the Digestive System", section 34.3 | Digestive System Processes_
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