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16. Digestive system: Salivary glands, tongue, oesophagus and stomach

Choose all that apply:

1.Identify the functions of pharynx.

Secrete renin
Connects nose and mouth to oesophagus
Pathway for food from mouth to oesophagus
Secretes gastric juice

2. Which of these protects the wall of the stomach?

Gastric juice
HCl
Enzymes
Mucus

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