MCQ
The diagram shows the human gut. Which numbered structures secrete digestive enzymes?
- A$1, 2, 3$ and $4$
- ✓$1, 2, 3$ and $6$
- C$2, 3, 4$ and $5$
- D$2, 3, 5$ and $6$
✓
Answer
Correct option: B.
$1, 2, 3$ and $6$
Digestive enzymes are secreted by salivary glands $($salivary amylase$),$ stomach $($pepsin$),$ pancreas (amylase, lipase) and small intestine $($trypsin$)$. Liver produces bile juice and it only emulsifies $($breaks down$)$ fats and does not digest them.
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