The Digestive System

In which organs are digestive juices produced?

• Mouth

• Gullet

• Stomach

• Small intestine

• Large intestine

In the large intestine, X and Y are absorbed while Z is subsequently passed out from the anus. What are X, Y and Z?

• X: Undigested food

  Y: Mineral salts

  Z: Water

• X: Digested food

  Y: Mineral salts

  Z: Water

• X: Mineral salts

  Y: Water

  Z: Undigested food

• X: Digested food

  Y: Mineral salts

  Z: Undigested food

Where does digestion begin?

• Mouth

• Gullet

• Stomach

• Small intestine

When food arrives at this organ, more digestive juices are are added to the food. Digestion is also completed here and the digested food is absorbed into the blood. What is the name of this organ?

• Mouth

• Stomach

• Small intestine

• Large intestine

Everlyne ate a plate of chicken rice and the mass of food digested after leaving each organ is recorded in the table shown. Which of the following organ is the gullet?

• Organ A

• Organ B

• Organ C

• Organ D