The Digestive System

In which organs does MECHANICAL digestion happen?

• Mouth

• Large Intestine

• Stomach

• Liver

The majority of digestive chemicals (like trypsin, lipase, and amylase) are produced by this accessory organ.

• Mouth

• Liver

• Small Intestine

• Pancreas

The picture shows microvilli. In which organ are they found and what is their role?

• They are found in the small intestine and help digest nutrients.

• They are found in the stomach and help digest nutrients.

• They are found in the small intestine and help absorb nutrients into the blood.

• They are found in the stomach and help absorb nutrients into the blood.

Which of the following are PRIMARY digestive organs?

• Liver

• Mouth

• Small Intestine

• Large Intestine

• Pancreas

Which of the following are ACCESSORY digestive organs?

• Pancreas

• Mouth

• Stomach

• Gall Bladder

Bile is made in the _________ and stored in the ___________.

• Liver; gall bladder

• Gall bladder; liver

• Pancreas; gall bladder

• Stomach; gall bladder

Which of the following is an example of CHEMICAL digestion?

• Mixing of food by muscles in the stomach

• Chewing food into smaller pieces

• Re-absorption of water by the large intestine

• Breaking down proteins into amino acids by stomach acid and pepsin

Which letter is pointing to the stomach?

• 3

• 4

• 5

• 6

Which letter is pointing to the liver?

• 3

• 4

• 5

• 6

Which letter is pointing to the small intestine?

• 7

• 8

• 9

• 12