Biology for IGCSE & O level - Human Nutrition (Section 3 - No. 36)
What does the term 'bolus' refer to in the digestive process?
A mixture of food and saliva.
The partially digested food mass in the stomach.
The undigested food in the large intestine.
The digested fats in the small intestine.
Explanation
A bolus is the ball of food formed in the mouth after being chewed and mixed with saliva.
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