Biology · Human Digestive System
What is the main primary function of the human digestive system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Assimilation of oxygen and respiration
- 2Excretion of metabolic nitrogenous waste
- 3Circulation of nutrients throughout the body
- 4Breakdown of complex food molecules into simpler absorbable forms✓
Correct answer
Breakdown of complex food molecules into simpler absorbable forms
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